6. Accrued Expenses and Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Accrued Liabilities [Table Text Block]

	2012		2011
Accrued compensation and benefits	$	635,039	$	296,425
Accrued interest		265,719		103,917
Accrued product warranty liability		263,000		140,000
Other accrued expenses		211,130		365,131
Customer deposits		79,384		181,423
Accrued rent		39,674		—
Accrued professional fees		21,388		92,160
	$	1,515,334	$	1,179,056