XML 16 R5.htm IDEA: XBRL DOCUMENT v3.19.1
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Allowance for doubtful accounts $ 564 $ 660
Accumulated depreciation and amortization $ 79,438 $ 76,861
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 10,000,000 10,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 15,000,000 15,000,000
Common stock, shares issued (in shares) 9,735,055 9,735,055
Common stock, shares outstanding (in shares) 9,735,055 9,735,055