Note 8 - Notes Payable (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Debt [Table Text Block]

	2015		2014
	(In thousands)
Revolving credit note with U.S. Bank, maximum available $6.5 million subject to borrowing base, matures June 30, 2016	$	--	$	--
Note payable to U.S. Bank for $11.8 million, interest at a 3.12% fixed rate, 60 monthly principal and interest payments of $212,468 through April 2018		5,739		8,068
Total notes payable		5,739		8,068
Less current portion		2,402		2,328
Note payable, net of current portion	$	3,337	$	5,740

Schedule of Long-term Debt Instruments [Table Text Block]

	Total Payments		2016		2017		2018
			(In thousands)
Notes payable	$	5,739	$	2,402	$	2,480	$	857