Note 14 - Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2014

Payables and Accruals [Abstract]

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	Year Ended December 31,
	2014		2013
Salaries, wages, commissions and vacation pay	$	5,926,000	$	5,607,000
Accrued rebates		1,273,000		826,000
Other accrued expenses		1,796,000		1,335,000
	$	8,995,000	$	7,768,000