Stockholders' Equity (Tables)

6 Months Ended

Jun. 29, 2013

Summary of Stockholders' Equity Transactions

The following is a summary of stockholders’ equity transactions for the six months ended June 29, 2013:


	Convertible										Capital in
	Preferred Stock					Common Stock					Excess of		Accumulated
	Shares			Amount		Shares			Amount		Par Value		Deficit			Total
Balance at December 31, 2012		564,642		$	1,000		4,193,690		$	4,000	$	272,231,000	$	(261,944,000	)	$	10,292,000
Issuance of common stock net of offering cost							513,827			1,000		1,945,000					1,946,000
Conversion of preferred stock to common stock		(28,122	)				23,432
Cancellation of shares from reverse stock split							(2,865	)
Stock-based compensation							23,200					295,000					295,000
Net loss														(4,844,000	)		(4,844,000	)

Balance at June 29, 2013		536,520		$	1,000		4,751,284		$	5,000	$	274,471,000	$	(266,788,000	)	$	7,689,000

Summary of Stock Option Transactions Under Stock Option Plans

The following is a summary of stock option transactions under our stock option plans at June 29, 2013:


	Number of Shares			Price Per Share		Weighted Average Exercise Price		Number of Options Exercisable		Weighted Average Exercise Price
Balance at December 31, 2012		105,383		$	8.16 - $ 894.00	$	46.08		74,706	$	56.52
Granted		33,333			2.52		2.52
Exercised		—
Canceled		(1,798	)		19.44 - 796.80		147.68

Balance at June 29, 2013		136,918		$	2.52 - $ 894.00	$	34.11		94,673	$	46.44

Summary of Restricted Stock Award Transactions

The following is a summary of our restricted stock award transactions at June 29, 2013:


	Number of Shares			Weighted Average Grant Date Fair Value
Balance nonvested at December 31, 2012		37,190		$	18.00
Granted		29,167			2.52
Vested		(14,587	)		18.71
Forfeited		(5,967	)		16.27

Balance nonvested at June 29, 2013		45,803		$	8.24

Summary of Outstanding Warrants

The following is a summary of outstanding warrants at June 29, 2013:


	Common Shares
	Total		Currently Exercisable		Price per Share		Expiration Date
Warrants related to February 2012 financing		419,451		419,451	$	16.20	February 22, 2017
Warrants related to November 2012 financing		8,333		—		4.50	November 26, 2015
Warrants related to December 2012 financing		15,625		—		4.50	December 18, 2015
Warrants related to April 2013 financing		256,914		—		5.45	April 26, 2015
Warrants related to April 2013 financing		256,913		—		5.45	April 26, 2019

- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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