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Equity (Tables)
 9 Months Ended
Jun. 30, 2015
Equity [Abstract]  
Schedule of Stock Options Activity
The following table summarizes stock option activity under the Equity Plans for the nine months ended June 30, 2015:


Number of Shares
 
Weighted Average Exercise Price
 
Weighted Average
Remaining Contractual Life
(in years)
 
Aggregate Intrinsic Value (*) (in thousands)
Outstanding as of September 30, 2014
1,431,190

 
$19.06
 
 
 
 
Granted
17,150

 
$5.68
 
 
 
 
Exercised
(225,736
)
 
$4.78
 
 
 
$
194

Forfeited
(9,077
)
 
$5.28
 
 
 
 
Expired
(297,499
)
 
$19.83
 
 
 
 
Outstanding as of June 30, 2015
916,028

 
$22.22
 
2.46
 
$
347

Exercisable as of June 30, 2015
891,351

 
$22.68
 
2.28
 
$
330

Vested and expected to vest as of June 30, 2015
911,032

 
$22.31
 
2.43
 
$
344


(*) Intrinsic value for stock options represents the “in-the-money” portion or the positive variance between a stock option's exercise price and the underlying stock price. For the nine months ended June 30, 2014, the intrinsic value of options exercised was $4,000.
Schedule of Valuation Assumptions
The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option valuation model, adhering to the straight-line attribution approach using the following weighted-average assumptions, of which the expected term and stock price volatility rate are highly subjective:

 
For the three months ended June 30,
 
For the nine months ended June 30,
 
2015
 
2014
 
2015
 
2014
Black-Scholes weighted average assumptions:
 
 
 
 
 
 
 
Expected dividend rate
—
%
 
—
%
 
—
%
 
—
%
Expected stock price volatility rate
63.5
%
 
92.0
%
 
70.5
%
 
93.2
%
Risk-free interest rate 
1.9
%
 
1.9
%
 
1.8
%
 
1.9
%
Expected term (in years)
6.0

 
6.0

 
6.0

 
6.0

 
 
 
 
 
 
 
 
Weighted average grant date fair value per share of stock options granted:
$3.59
 
$
3.21

 
$
3.57

 
$
3.61
Schedule of Restricted Stock Activity
The following table summarizes the activity related to RSUs for the nine months ended June 30, 2015:

Restricted Stock Activity
 
Restricted Stock Units
 
 
Number of Shares
 
Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2014
 
966,579

 
$4.71
Granted
 
524,150

 
$5.38
Vested
 
(841,609
)
 
$4.69
Forfeited
 
(41,949
)
 
$4.86
Non-vested as of June 30, 2015
 
607,171

 
$5.23
Schedule of Stock-based Compensation Expense - By Award Type
The effect of recording stock-based compensation expense was as follows:

Stock-based Compensation Expense - by award type
For the three months ended June 30,
 
For the nine months ended June 30,
(in thousands)
2015
 
2014
 
2015
 
2014
Employee stock options
$
—

 
$
16

 
$
184

 
$
94

Restricted stock awards and units
297

 
371

 
2,353

 
1,289

Employee stock purchase plan
36

 
58

 
100

 
221

401(k) match in common stock
60

 
303

 
284

 
506

Outside director fees in common stock
8

 
91

 
288

 
286

Total stock-based compensation expense
$
401

 
$
839

 
$
3,209

 
$
2,396
Schedule Stock-based Compensation Expense - By Expense Type
Stock-based Compensation Expense - by expense type
For the three months ended June 30,
 
For the nine months ended June 30,
(in thousands)
2015
 
2014
 
2015
 
2014
Cost of revenue
$
88

 
$
121

 
$
273

 
$
347

Selling, general, and administrative
195

 
574

 
2,609

 
1,584

Research and development
118

 
144

 
327

 
465

Total stock-based compensation expense
$
401

 
$
839

 
$
3,209

 
$
2,396
Schedule of Earnings Per Share, Basic and Diluted
Income (Loss) Per Share
The following table sets forth the computation of basic and diluted net income (loss) per share:

Basic and Diluted Net (Loss) Income Per Share
 
For the three months ended June 30,
 
For the nine months ended June 30,
(in thousands, except per share)
 
2015
 
2014
 
2015
 
2014
 
 
 
 
 
 
 
Numerator
 
 
 
 
 
 
 
 
   Income (loss) from continuing operations
 
$
464

 
$
(4,349
)
 
$
(3,622
)
 
$
(12,894
)
   Income from discontinued operations
 
1,976

 
1,199

 
65,242

 
2,258

Undistributed earnings allocated to common shareholders for basic and diluted net income (loss) per share
 
2,440


(3,150
)
 
61,620

 
(10,636
)
Denominator:
 
 
 
 
 
 
 
 
Denominator for basic net income (loss) per share - weighted average shares outstanding
 
31,203

 
30,656

 
31,494

 
30,327

Dilutive options outstanding, unvested stock units and ESPP
 
229

 
—

 
—

 
—

Denominator for diluted net income (loss) per share - adjusted weighted average shares outstanding
 
31,432

 
30,656

 
31,494

 
30,327

 
 
 
 
 
 
 
 
 
Net income (loss) per basic share:
 
 
 
 
 
 
 
 
   Continuing operations
 
$
0.02

 
$
(0.14
)
 
$
(0.11
)
 
$
(0.42
)
   Discontinued operations
 
0.06

 
0.04

 
2.07

 
0.07

Net income (loss) per basic share
 
$
0.08

 
$
(0.10
)
 
$
1.96

 
$
(0.35
)
 
 
 
 
 
 
 
 
 
Net income (loss) per diluted share:
 
 
 

 
 
 
 
   Continuing operations
 
$
0.02

 
$
(0.14
)
 
$
(0.11
)
 
$
(0.42
)
   Discontinued operations
 
0.06

 
0.04

 
2.07

 
0.07

Net income (loss) per diluted share
 
$
0.08

 
$
(0.10
)
 
$
1.96

 
$
(0.35
)
Weighted average antidilutive options, unvested restricted stock units and awards, warrants and ESPP shares excluded from the computation
 
749

 
3,091

 
1,378

 
2,990

 
 
 
 
 
 
 
 
 
Average market price of common stock
 
$
5.99

 
$
4.39

 
$
5.54

 
$
4.80
Schedule of Common Stock Reserved for Future Issuances
As of June 30, 2015, we had common stock reserved for the following future issuances:
Future Issuances
Number of Common Stock Shares Available for Future Issuances
Exercise of outstanding stock options
916,028

Unvested restricted stock units
607,171

Purchases under the employee stock purchase plan
1,020,874

Issuance of stock-based awards under the Equity Plans
632,117

Purchases under the officer and director share purchase plan
88,741

Total reserved
3,264,931