Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Accounts receivable, allowance for doubtful accounts (in Dollars)	$ 636	$ 703
Property, plant and equipment, accumulated depreciation (in Dollars)	$ 5,713	$ 4,781
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000	1,000
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	25,000	25,000
Common stock, issued shares	17,152	16,869
Common stock, outstanding shares	14,421	14,138
Common shares in treasury	2,731	2,731