Annual report pursuant to Section 13 and 15(d)

Notes Payable and Revolving Credit Facility (Schedule of net of unamortized discount balances) (Details)

v3.8.0.1
Notes Payable and Revolving Credit Facility (Schedule of net of unamortized discount balances) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Notes payable, gross $ 39,475 $ 39,475
Less: Unamortized debt discount (930) (1,062)
Notes payable, net $ 38,545 $ 38,413