Note 10 - Accrued Expenses and Other Accounts Payable - Accrued Expenses and Other Accounts Payable (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accrued expenses	$ 769	$ 1,658
Royalties and commission	1,057	1,089
Accrued legal, and accounting expenses	424	370
Governmental payables	67	341
Others		3
	$ 2,317	$ 3,461