Note 13 - Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

	2013		2012
Beginning balance - January 1,	$	1,537	$	1,679
Provision charged to warranty expense		-		162
Less: warranty claims		-		(25	)
Ending balance – September 30,		1,537		1,816
Current portion of warranty liability		200		200
Non-current portion of warranty liability	$	1,337	$	1,616

Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]

2013 (3 months)	$	171
2014		685
2015		685
2016		685
2017		685
Thereafter		8,387
Total minimum lease payments		11,298
Less amounts representing interest		(5,137	)
Present value of minimum payments		6,161
Less current portion		(701	)
Present value of minimum payments - noncurrent	$	5,460