1
|
NAME OF REPORTING PERSON
BALCH HILL PARTNERS, L.P.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
WC
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
4,170,000
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
4,170,000
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,170,000
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
8.9%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
BALCH HILL CAPITAL, LLC
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
4,170,000
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
4,170,000
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,170,000
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
8.9%
|
||
14
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAME OF REPORTING PERSON
SIMON J. MICHAEL
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
USA
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
4,170,000
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
4,170,000
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
4,170,000
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
8.9%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL PARTNERS L.P.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
WC
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
65,659
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
65,659
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
65,659
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL MANAGEMENT, L.L.C.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
NEW YORK
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
65,659
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
65,659
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
65,659
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL PARTNERS II, L.P.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
WC
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
234,134
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
234,134
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
234,134
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL MANAGEMENT II, L.L.C.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
234,134
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
234,134
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
234,134
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL PARTNERS III, L.P.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
WC
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
108,377
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
108,377
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
108,377
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
PN
|
1
|
NAME OF REPORTING PERSON
POTOMAC CAPITAL MANAGEMENT III, L.L.C.
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
DELAWARE
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
108,377
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
108,377
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
108,377
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
OO
|
1
|
NAME OF REPORTING PERSON
PAUL J. SOLIT
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
USA
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
408,170
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
408,170
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
408,170
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
1
|
NAME OF REPORTING PERSON
ERIC SINGER
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
AF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
USA
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 0 -
|
|
8
|
SHARED VOTING POWER
342,511
|
||
9
|
SOLE DISPOSITIVE POWER
- 0 -
|
||
10
|
SHARED DISPOSITIVE POWER
342,511
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
342,511
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
1
|
NAME OF REPORTING PERSON
ADAM LEVENTHAL
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
PF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
USA
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 2,100 -
|
|
8
|
SHARED VOTING POWER
- 0 -
|
||
9
|
SOLE DISPOSITIVE POWER
- 2,100 -
|
||
10
|
SHARED DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 2,100 -
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
1
|
NAME OF REPORTING PERSON
CLARK MASTERS
|
||
2
|
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
|
(a) x
(b) o
|
|
3
|
SEC USE ONLY
|
||
4
|
SOURCE OF FUNDS
PF
|
||
5
|
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) OR 2(e)
|
¨
|
|
6
|
CITIZENSHIP OR PLACE OF ORGANIZATION
USA
|
||
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
|
7
|
SOLE VOTING POWER
- 1,200 -
|
|
8
|
SHARED VOTING POWER
- 0 -
|
||
9
|
SOLE DISPOSITIVE POWER
- 1,200 -
|
||
10
|
SHARED DISPOSITIVE POWER
- 0 -
|
||
11
|
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
- 1,200 -
|
||
12
|
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
|
o
|
|
13
|
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
Less than 1%
|
||
14
|
TYPE OF REPORTING PERSON
IN
|
Item 2.
|
Identity and Background.
|
Item 3.
|
Source and Amount of Funds or Other Consideration.
|
Item 5.
|
Interest in Securities of the Issuer. |
Item 6.
|
Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
|
Item 7.
|
Material to be Filed as Exhibits.
|
|
99.1
|
Amendment No. 1 to the Joint Filing Agreement.
|
BALCH HILL PARTNERS, L.P.
|
|||
By:
|
Balch Hill Capital, LLC
General Partner
|
||
By:
|
/s/ Simon J. Michael
|
||
Name:
|
Simon J. Michael
|
||
Title:
|
Manager
|
BALCH HILL CAPITAL, LLC
|
|||
By:
|
/s/ Simon J. Michael
|
||
Name:
|
Simon J. Michael
|
||
Title:
|
Manager
|
/s/ Simon J. Michael
|
|
SIMON J. MICHAEL
Individually and as attorney-in-fact for Adam Leventhal and Clark Masters
|
POTOMAC CAPITAL PARTNERS L.P.
|
||
By:
|
Potomac Capital Management, L.L.C.
|
|
General Partner
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Managing Member
|
POTOMAC CAPITAL MANAGEMENT, L.L.C.
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Managing Member
|
POTOMAC CAPITAL PARTNERS II, L.P.
|
||
By:
|
Potomac Capital Management II, L.L.C.
|
|
General Partner
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Co-Managing Member
|
POTOMAC CAPITAL MANAGEMENT II, L.L.C.
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Co-Managing Member
|
POTOMAC CAPITAL PARTNERS III, L.P.
|
||
By:
|
Potomac Capital Management III, L.L.C.
|
|
General Partner
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Co-Managing Member
|
POTOMAC CAPITAL MANAGEMENT III, L.L.C.
|
||
By:
|
/s/ Paul J. Solit
|
|
Name:
|
Paul J. Solit
|
|
Title:
|
Co-Managing Member
|
/s/ Paul J. Solit
|
|
PAUL J. SOLIT
|
/s/ Eric Singer
|
|
ERIC SINGER
|
Shares Purchased / (Sold)
|
Price Per Share ($)
|
Date of Purchase/Sale
|
70,000
|
3.37431
|
05/13/2013
|
2,100
|
4.7800
|
03/01/2013
|
1,200
|
5.2500
|
02/22/2013
|