CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2015	Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS [Abstract]
Common stock, no par value	$ 0	$ 0
Common stock, shares authorized	24,000,000	24,000,000
Common stock, shares issued	13,404,812	13,689,181
Common stock, shares outstanding	13,404,812	13,689,181