9. OTHER ACCRUED EXPENSES (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Accrued Liabilities [Table Text Block]

Components of other accrued expenses consist of the following at December 31:

	2012		2011
Accrued vacation pay	$	480,307	$	264,260
Accrued warranty costs		299,000		270,000
Customer advance payments		214,921		781,896
Other accruals		140,051		108,458
Totals	$	1,134,279	$	1,424,614