Interim Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Allowance for doubtful accounts (in Dollars)	$ 6,684	$ 5,738
Series A Convertible Preferred Stock; par value (in Dollars per share)	$ 0.01	$ 0.01
Series A Convertible Preferred Stock; shares authorized	25,000,000	25,000,000
Series A Convertible Preferred Stock; shares issued	10,772,712	10,836,659
Series A Convertible Preferred Stock; shares outstanding	10,772,712	10,836,659
Series A Convertible Preferred Stock; liquidation value (in Dollars per share)	$ 15.75	$ 15.75
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	14,249,336	14,110,859
Common stock, shares outstanding	14,249,336	14,110,859