Note 6 - Accrued Liabilities (Current) (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Accrued Liabilities [Table Text Block]

	December 31,
	2012		2011
Accrued sales commissions and incentives	$	514	$	395
Accrued warranty expense		159		100
Accrued professional fees		153		161
Accrued employee benefits		319		296
Accrued interest		87		13
Accrued taxes		162		202
Accrued performance-related contingent consideration		728		351
Accrued subcontractor services		-		286
Accrued other expenses		143		191
Total accrued expenses	$	2,265	$	1,995