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Stockholders' Equity (Tables)
12 Months Ended
Jun. 30, 2013
Stockholders' Equity Note [Abstract]  
Schedule of common stock reserved for future issuance
During the fourth quarter of fiscal 2012, the Company offered and sold 920,000 shares of its common stock, which includes full exercise of the over-allotment option of 120,000 shares, at a price of $4.00 per share, pursuant to an underwriting agreement with Roth Capital Partners, LLC, dated June 8, 2012. The shares were offered and sold under a prospectus supplement and related prospectus filed with the SEC pursuant to the Company's shelf registration statement on Form S-3.

The Company has reserved shares of common stock for future issuance at June 30, 2013 as follows (in thousands):

 
Stock options outstanding
844

Stock options and restricted stock available for grant
1,111

Employee stock purchase plan shares available for purchase
365

Redeemable convertible preferred stock
2,108

 
4,428

Schedule of equity incentive plans activity
The following table summarizes employee incentive plan activities under the Company’s stock option and equity incentive plans (in thousands, except per share data):
 
 
 
 
 
 
 
 
Options
 
Available
for Grant
 
No. of Options
Outstanding
 
No. of Restricted
Stock
Outstanding
 
Aggregate
Price
 
Weighted Average
Exercise Price
Per Share
Balance at June 30, 2011
569

 
1,332

 
87

 
$
7,589

 
$
5.70

Shares added
750

 

 

 

 

Granted
(285
)
 
281

 
5

 
1,048

 
$
3.73

Canceled
110

 
(110
)
 

 
(1,018
)
 
$
9.25

Exercised

 
(30
)
 

 
(89
)
 
$
2.99

Vested

 

 
(56
)
 

 

Expired
(292
)
 

 

 

 

Forfeited due to cancellation or for taxes
36

 

 
(36
)
 

 

Balance at June 30, 2012
888

 
1,473

 

 
$
7,530

 
$
5.11

Granted
(758
)
 
414

 
344

 
1,500

 
$
3.62

Canceled
905

 
(905
)
 

 
(4,913
)
 
$
5.43

Exercised

 
(138
)
 

 
(408
)
 
$
2.95

Vested

 

 
(65
)
 

 

Expired
(72
)
 

 

 

 

Forfeited due to cancellation or for taxes
148

 

 
(148
)
 

 

Balance at June 30, 2013
1,111

 
844

 
131

 
$
3,709

 
$
4.39

Schedule of equity incentive plans outstanding and exercisable options by exercise price range
The following table summarizes information concerning outstanding and exercisable options at June 30, 2013:
 
 
Options Outstanding
 
Options Exercisable
Range of Exercise Prices Per Share
Options
Outstanding
 
Weighted
Average
Remaining
Contractual
Life
 
Weighted
Average
Exercise
Price
 
Options
Exercisable
 
Weighted
Average
Exercise
Price
 
(in thousands)
 
(years)
 
(per share)
 
(in thousands)
 
(per share)
$  2.80 - $  3.02
101

 
4.34
 
$
2.97

 
33

 
$
2.86

$  3.07 - $  3.07
197

 
5.96
 
3.07

 
197

 
3.00

$ 3.17 - $ 3.51
120

 
8.57
 
3.38

 
16

 
3.51

$ 3.73 - $ 3.88
91

 
7.17
 
3.78

 
55

 
3.79

$ 4.22 - $ 4.60
90

 
9.54
 
4.54

 
6

 
4.24

$ 4.86 - $ 5.50
89

 
5.87
 
4.94

 
69

 
4.97

$  5.61 - $  8.07
102

 
4.29
 
6.68

 
100

 
6.70

$ 8.75 - $ 10.20
50

 
4.25
 
9.51

 
50

 
9.51

$ 10.80 - $ 10.80
2

 
2.61
 
10.80

 
2

 
10.80

$ 13.94 - $ 13.94
2

 
2.85
 
13.94

 
2

 
13.94

$  2.80 - $ 13.94
844

 
6.32
 
$
4.39

 
530

 
$
4.76