Note 13 - Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Product Warranty Liability [Table Text Block]

	2013		2012
Beginning balance - January 1,	$	1,537	$	1,679
Provision charged to warranty expense		-		93
Less: warranty claims		-		(18	)
Ending balance - March 31,		1,537		1,754
Current portion of warranty liability		200		200
Non-current portion of warranty liability	$	1,337	$	1,554

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

2013 (9 months)	$	667
2014		664
2015		664
2016		664
2017		664
Thereafter		8,140
Total minimum lease payments		11,463
Less amounts representing interest		(5,287	)
Present value of minimum payments		6,176
Less current portion		(666	)
Present value of minimum payments - noncurrent	$	5,510