Note 14 - Other Current Liabilities - Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Salaries, wages, commissions and vacation pay	$ 7,851	$ 5,600
Accrued rebates	1,089	1,932
Defined contribution plan accrual	104	897
Customer deposits	473	670
Other accrued expenses	2,892	1,617
	$ 12,409	$ 10,716