Note 12 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Unabsorbed losses and depreciation carried forward	$ 21,422	$ 23,633
Property, plant and equipment, net	217	0
Provision for employee benefit	2,509	1,886
Provision for expenses and others	5,829	4,395
Provision for doubtful debts	748	843
Other temporary differences	3,863	2,912
Total deferred tax assets	34,588	33,669
Valuation allowance	(25,676)	(26,835)
Total deferred tax assets, net of valuation allowance	8,912	6,834
Property, plant and equipment, net	2,311	2,332
Identifiable intangibles	14,298	15,723
Other temporary differences	1,946	1,854
Prepaid expenses	458	102
On retained earnings	2,636	2,572
Total deferred tax liabilities	21,649	22,583
Net of deferred tax assets and liabilities	$ (12,737)	$ (15,749)