XML 53 R43.htm IDEA: XBRL DOCUMENT v3.20.2
Note 3 - Revenue - Components of Accounts Receivable (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Trade receivables $ 4,731 $ 6,425
Unbilled receivables 1,929 1,857
Other short-term receivables 29 7
Allowance for doubtful accounts (700) (1,816)
Total accounts receivable $ 5,989 $ 6,473