Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Accounts receivable-trade, net allowance for doubtful accounts (in Dollars)	$ 1,000	$ 1,000
OTHER INTANGIBLES, net of accumulated amortization (in Dollars)	$ 655,000	$ 622,000
Preferred stock par value (in Dollars per share)	$ 0.10	$ 0.10
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.0024	$ 0.0024
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	11,239,157	11,192,356
Common stock, shares outstanding	10,245,534	10,198,733
Treasury stock shares	993,623	993,623