Stockholders' Equity (Narrative) (Details) (USD $)	0 Months Ended	1 Months Ended	12 Months Ended				1 Months Ended
	Jul. 10, 2012 item	Nov. 30, 2010	Dec. 31, 2012 Y	Dec. 31, 2011	Dec. 31, 2010	Jul. 10, 2012 Pre-Stock Split [Member]	May 31, 2012 Post-Stock Split [Member]	Dec. 31, 2012 Post-Stock Split [Member]	Nov. 30, 2010 Revolving Line Of Credit [Member] Guarantees From Stockholders [Member]	Dec. 31, 2010 Term Note [Member]	Dec. 31, 2012 Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock issued in public offering, shares		460,000
Stock issued in public offering, per share		$ 36.50
Stock issued in public offering, value		$ 15,500,000	$ 10,411,675		$ 20,037,506
Reverse stock split	10
Common stock outstanding			8,018,615	5,543,157		78,000,000		7,800,000
Common stock authorized			300,000,000								100,000,000
Common stock authorized due to Amendment			300,000,000
Common stock par value			$ 0.001	$ 0.001
Shares sold in private placement							2,170,000
Share price of shares sold in private placement							3.361
Warrants sold in private placement							2,170,000
Share price of warants sold in private placement							$ 1.25
Exercise price of warrants							3.361		40.15	36.00
Net proceeds from sale of securities			9,100,000
Paydown of the guarantees			7,000,000
Remaining shares of Company's common stock to provide for current and future grants under its various equity plans			131,464	36,469
Total compensation cost not yet recognized related to options, stock appreciation rights and non-vested stock granted to employees			5,900,000
Estimated forfeitures			3,300,000
Total compensation cost not yet recognized related to options, stock appreciation rights and non-vested stock granted to employees, period of amortization, in years			4
Number of options/SARs, outstanding, December 31, 2012			373,899
Weighted average exercise price per share, granted			$ 4.32
Weighted average remaining life			4.7
Share Based Compensation Arrangement By Share Based Payment Award Options Vested Weighted Average Exercise Price			$ 49.13
Weighted average exercise price per vested share			$ 49.13
Number of options currently exercisable			267,149
Weighted average remaining life of vested options outstanding			4.0
Options and stock appreciation rights in-the-money			6,125
Intrinsic value of options and stock appreciation rights outstanding			5,298
Closing stock price			$ 2.55
Exercise of stock options, shares			0
Exercise of stock options, value			0	7,202	460,500
Intrinsic value of restricted shares outstanding			100,000
Intrinsic value of restricted stock units outstanding			1,300,000
Intrinsic value of vested restricted shares			0
Intrinsic value of vested restricted stock units			100,000
Reduction of share based compensation			(1,200,000)	(500,000)
Shares originally reserved for under Employee Stock Purchase Plan			25,000
Stock issued under Employee Stock Purchase Plan			24,901
Percentage of compensation eligible employees can use to purchase common stock, maximum			15.00%
Compensation amount eligible employees can use to purcahse common stock, maximum			$ 25,000
Percentage of fair value eligible employees can purchase common stock			95.00%
Warrants			6,099,476	1,038,161					80,000	11,111
Warrants exercised			0	0	0