Note 16 - Commitments and Contingencies (Details) - The Accrual for Warranty Claims (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2013
The Accrual for Warranty Claims [Abstract]
Beginning balance - January 1	$ 1,679		$ 1,537
Provision charged to warranty expense	221
Less: warranty claims	(363)
Ending balance - December 31,	1,537		1,537
Current portion of warranty liability	200	[1]	200	[1]
Non-current portion of warranty liability	$ 1,337		$ 1,337

[1] The noncurrent portion of the product warranty liability is recorded in other liabilities.