Note 9 - Accrued Expenses and Other Accounts Payable - Accrued Expenses and Other Accounts Payable (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accrued expenses	$ 1,658	$ 896
Royalties and commission	1,089	1,369
Accrued legal, and accounting expenses	370	367
Governmental payables	341	141
Others	3	115
	$ 3,461	$ 2,888