Annual report pursuant to Section 13 and 15(d)

Balance Sheet Detail - Accounts receivable - long term, net (Details)

v3.19.1
Balance Sheet Detail - Accounts receivable - long term, net (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Accounts receivable - long term    
Total amount due from customer $ 11,169 $ 20,886
Less unamortized discount (391) (912)
Less current portion included in accounts receivable (7,622) (12,537)
Total of accounts receivable, long term, net $ 3,156 $ 7,437