10. Income Taxes (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2012			2011
Pre-tax net loss	$	(9,820,625	)	$	(9,053,764	)
Amount computed using the Statutory U.S. federal rate	$	(3,339,012	)	$	(3,078,280	)
Increase (reduction) in taxes resulting from valuation allowance		3,186,987			1,788,545
Loss on extinguishment of debt		—			934,842
Fair value adjustment of warrants		(202,283	)		(863,361	)
Interest on debt treated as equity		13,284			614,065
Stock-based compensation—ISO		131,221			180,025
Stock offering costs		—			316,478
Other		209,803			107,686
Provision (benefit) for income taxes	$	—		$	—

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2012			2011
Current deferred tax asset:
Compensation Reserves	$	302,196			41,911
Deferred revenue		—		$	3,069
Prepaid fees		56,523			113,341
Warranty reserve		89,420			47,600
Other		55,613			10,770
		503,752			216,691
Valuation allowance		(503,752	)		(216,691	)
Net current deferred tax asset	$	—		$	—
Noncurrent deferred tax asset:
Stock based compensation		1,613,248			1,207,010
Net operating loss		8,580,265			6,086,051
Other		1,143			(2,309	)
		10,194,656			7,290,752
Valuation allowance		(10,194,656	)		(7,290,752	)
Net noncurrent deferred tax asset	$	—		$	—
Total	$	—		$	—

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

	Years Ended December 31,
	2012		2011
Balance at January 1	$	406,545	$	406,545
Additions based on tax positions related to the current year		—		—
Additions for tax positions of prior years		—		—
	$	406,545	$	406,545