Note 10 - Share-Based Compensation (Details) - Total share-based compensation cost reported in the consolidated statements of operations was as folllows: (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-Based Compensation	$ 133	$ 171	$ 397	$ 522
Cost of Products and Services [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-Based Compensation	74	90	233	285
Selling, General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-Based Compensation	$ 59	$ 81	$ 164	$ 237