Note 10 - Equipment Leasing (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Note 10 - Equipment Leasing (Details) [Line Items]
Machinery and Equipment, Gross	$ 4,190	$ 3,948
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	3,530	3,289
Equipment [Member]
Note 10 - Equipment Leasing (Details) [Line Items]
Machinery and Equipment, Gross	561	282
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	138	72
Operating Leases, Future Minimum Payments Receivable, Remainder of Fiscal Year	$ 109