XML 13 R3.htm IDEA: XBRL DOCUMENT v3.8.0.1
Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 2,709 $ 2,852
Property and equipment, accumulated depreciation (52,767) (51,099)
Intangible assets, accumulated amortization $ 21,770 $ 20,656
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 18,804,066 18,787,816
Common stock, shares outstanding 17,521,644 17,128,825
Treasury stock, shares outstanding 1,282,422 1,658,991