Stockholders' Equity

12 Months Ended

Dec. 31, 2011

Stockholders' Equity: [Abstract]

Stockholders' Equity:

10. Stockholders' equity:

Common Stock:

On July 21, 2011, at the 2011 Annual Meeting of Stockholders of the Company, the Company's stockholders approved an amendment to the Company's Certificate of Incorporation to increase the number of authorized shares of common stock, par value $.001, of the Company's Common Stock from 45,000,000 to 75,000,000 shares. Such amendment to the Company's Certificate of Incorporation had previously been approved by the Company's board of directors.

Stock options:

The Company has a 2011 Equity Incentive Plan, which was approved by stockholders in July 2011 and covers a total of 4,200,000 shares of Common Stock. An additional 4,400,888 shares of Common Stock underlying options previously granted under the Company's Amended and Restated 2001 Incentive Plan remain outstanding and exercisable. The Company's Amended and Restated 2001 Incentive Plan expired in July 2011 and no new securities may be issued thereunder. Options may be awarded during the ten-year term of the 2011 Equity Incentive Plan to Company employees, directors, consultants and other affiliates.

Stock option activity for the years ended December 31, 2011, 2010 and 2009 is as follows:

	Number of Shares			Weighted Average Exercise Price Per Share		Aggregate Intrinsic Value
Outstanding at January 1, 2009		3,503,467		$	3.56
Granted in 2009:
Officers and Directors		389,663		$	4.85
Others		187,995			3.41
Exercised		(265,552	)		2.50
Forfeitures		(153,440	)		3.20
Outstanding at December 31, 2009		3,662,133		$	3.78	$	2,982,195
Granted in 2010:
Officers and Directors		399,661		$	2.68
Others		382,476			3.22
Exercised		(31,733	)		3.08
Forfeitures		(100,998	)		3.10
Outstanding at December 31, 2010		4,311,539		$	3.65	$	2,671,309
Granted in 2011:
Officers and Directors		209,619		$	3.44
Others		238,918			3.41
Exercised		(129,888	)		2.69
Forfeitures		(76,937	)		3.09
Outstanding at December 31, 2011		4,553,251		$	3.66	$	—

Options outstanding at December 31, 2011 are as follows:

Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$ 1.00 – 5.00		3,612,006		6.26	$	2.99
$ 5.01 – 10.00		941,245		5.72	$	6.26
		4,553,251					$	—

Options exercisable at December 31, 2011 are as follows:

Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$ 1.00 – 5.00		2,835,818		5.65	$	2.88
$ 5.01 – 10.00		931,245		5.70	$	6.27
		3,767,063					$	—

The weighted average grant date fair value of options granted during the year ended December 31, 2011 was $3.43. There were no options granted during the years ended December 31, 2011, 2010 or 2009 whose exercise price was lower than the estimated market price of the stock at the grant date.

Nonvested stock options as of December 31, 2011, and changes during the year then ended, are as follows:

Nonvested Shares	Shares			Weighted Average Grant Date Fair Value		Intrinsic Value
Nonvested at January 1, 2011		1,036,960
Granted		296,174
Vested		(470,009	)
Forfeited		(76,937	)
Nonvested at December 31, 2011		786,188		$	3.39	$	—

As of December 31, 2011, there was approximately $1.0 million of unrecognized compensation cost related to unvested share-based compensation awards granted. These costs will be expensed over the next three years.

Warrants:

The Company has granted warrants to purchase shares of Common Stock. Warrants may be granted to affiliates in connection with certain agreements.

Warrants outstanding and exercisable at December 31, 2011 are as follows:

Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$0.00 – 5.00		3,293,801		2.11	$	4.47	$	—

Reclassification of derivative liability to equity:

During the year ended December 31, 2009, Laurus Master Fund, Ltd. exercised warrants to purchase 1,712,274 shares of Common Stock for $.001 to $3.05 per share. Until the time of exercise the warrants were treated as a derivative liability. Upon exercise of the warrants, these amounts were reclassified to equity based on the fair value on the date of exercise. There was no such reclassification in 2010.

During the year ended December 31, 2011, CDC IV, LLC ("CDC") exercised warrants to purchase 601,120 shares of Common Stock for $2.91 per share. Until the time of exercise the warrants were treated as a derivative liability. Upon exercise of the warrants, these amounts were reclassified to equity based on the fair value on the date of exercise.