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		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-Based Compensation	$ 131	$ 175	$ 264	$ 351
Cost of Products and Services [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-Based Compensation	69	95	159	195
Selling, General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-Based Compensation	$ 62	$ 80	$ 105	$ 156