Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
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	10,245,521	10,221,006
Treasury stock shares - at cost, common stock	870,258	894,773