Note 6 - Select Balance Sheet and Statement of Operations Information - Other Current Assets (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021
Government remittances (1)	[1]	$ 1,799	$ 1,322
Consideration receivable from sale of subsidiaries		1,251	1,405
Deferred financing costs		223	223
Sundry assets and miscellaneous		866	808
Total other current assets		$ 4,139	$ 3,758

[1] Government remittances are receivables from the local tax authorities for refund of sales taxes and income taxes.