Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Preferred stock, par value (in Dollars per share)	$ 0	$ 0
Preferred stock, shares authorized	2,000,000	2,000,000
Common stock, par value (in Dollars per share)	$ 0	$ 0
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares outstanding	13,385,154	13,297,777
Common stock, shares issued	17,104,644	17,104,644
Series B Preferred Stock [Member]
Preferred stock, liquidation preference (in Dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares issued	0	20,000
Preferred stock, shares outstanding	0	20,000