XML 47 R35.htm IDEA: XBRL DOCUMENT v3.19.2
Note 2 - Revenue Recognition - Contract Assets and Liabilities (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Deferred revenue $ 2,507 $ 871
Acquired in Dielectrics business combination 2,175
Increases due to consideration received from customers 1,541 1,855
Revenue recognized (1,097) (1,570)
Deferred revenue 2,951 3,331
Unbilled Receivables - beginning of period 65
Decreases due to customer invoicing (314)
Increases due to revenue recognized - not invoiced to customers 280 236
Unbilled Receivables - end of period $ 31 $ 236