Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Consolidated Balance Sheets
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, issued shares	11,115,779	11,115,779
Common stock, shares outstanding	10,221,006	10,242,405
Treasury stock shares - at cost, common stock	894,773	873,374