Note 13 - Commitments and Contingencies (Tables)

6 Months Ended

Jun. 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		-		136
Less: warranty claims		-		(20	)
Ending balance – June 30,		1,537		1,795
Current portion of warranty liability		200		200
Non-current portion of warranty liability	$	1,337	$	1,595

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

2013 (6 months)	$	446
2014		664
2015		664
2016		664
2017		664
Thereafter		8,140
Total minimum lease payments		11,242
Less amounts representing interest		(5,287	)
Present value of minimum payments		5,955
Less current portion		(666	)
Present value of minimum payments - noncurrent	$	5,289