Accrued Expenses

9 Months Ended

Sep. 30, 2011

Accrued Expenses [Abstract]

Accrued Expenses

5. Accrued Expenses

Accrued expenses consisted of the following:

	December 31,		September 30,
	2010		2011
			(Unaudited)
Accrued compensation	$	207,189	$	417,689
Accrued warranty		155,918		172,768
Accrued inventory purchases		75,983		38,004
Customer deposits		57,164		42,627
Deferred rent		15,386		31,461
Accrued taxes and other		191,081		229,383
	$	702,721	$	931,932