Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Accounts receivable, net of allowance for doubtful accounts (in Dollars)	$ 1,905	$ 1,932
Preferred Stock of subsidiary, par value (in Dollars per share)	$ 1.00	$ 1.00
Preferred Stock of subsidiary, shares authorized	1,467,396	1,467,396
Preferred Stock of subsidiary, shares issued	1,284,730	1,284,730
Preferred Stock of subsidiary, shares outstanding	1,284,730	1,284,730
Preferred Stock of subsidiary, liquidation value per share	1.00	1.00
Preferred Stock of subsidiary, accrued and unpaid dividends (in Dollars)	$ 787	$ 738
Preferred stock par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock par value (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	30,000,000	75,000,000
Common stock, shares issued	11,456,536	11,406,573
Common stock, shares outstanding	11,448,894	11,398,931
Common Stock in treasury, at cost	7,642	7,642