Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Condensed Consolidated Balance Sheet Parenthetical [Abstract]
Allowance for Doubtful Accounts Receivable, Current	$ 918	$ 108
Unamortized debt issuance costs	7	0
Unamortized debt issuance costs, noncurrent	$ 29	$ 0
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	31,005,000	31,333,000
Common stock, shares outstanding	31,005,000	31,333,000