Note 14 - Accrued Expenses (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Salaries, wages, commissions and vacation pay	$ 5,371,000	$ 5,926,000
Accrued rebates	1,349,000	1,273,000
Other accrued expenses	1,587,000	1,796,000
	$ 8,307,000	$ 8,995,000