Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 17,911	$ 30,876
Accounts receivable, net of allowance of $12,742 and $11,997 as of March 31, 2022, and December 31, 2021	49,076	46,918
Inventories	21,319	20,543
Prepaid expenses	2,446	2,737
Advances to suppliers	3,532	2,162
Other current assets	4,139	3,758
Total current assets	98,423	106,994
LONG-TERM ASSETS:
Long-term trade receivables	27,747	27,710
Deferred tax assets	249	284
Severance pay funds	884	817
Property and equipment, net	2,583	2,669
Intangible assets	14,536	15,393
Total long-term assets	45,999	46,873
TOTAL ASSETS	144,422	153,867
CURRENT LIABILITIES:
Trade payables	4,788	4,913
Accrued expenses and other current liabilities	18,818	19,512
Income taxes payable	415	294
Unearned interest income	2,727	2,678
Warranty accrual	1,127	1,245
Deferred revenues	1,585	2,030
Current portion of government assistance loans	136	543
Total current liabilities	29,596	31,215
LONG-TERM LIABILITIES:
Long-term debt	77,404	77,325
Income tax payable	571	563
Accrued severance pay	994	911
Deferred tax liabilities	56	46
Unearned interest income	1,376	1,355
Warranty accrual	432	508
Other long-term liabilities	567	348
Total long-term liabilities	81,400	81,056
TOTAL LIABILITIES	110,996	112,271
Commitments and Contingencies (Note 8)
STOCKHOLDERS’ EQUITY:
Common Stock, $0.0001 par value: 300,000,000 shares authorized as of March 31, 2022 and December 31, 2021; 63,999,044 and 63,982,580 issued and outstanding as of March 31, 2022 and December 31, 2021 respectively	27	27
Additional paid-in capital	221,787	221,321
Accumulated deficit	(189,024)	(180,405)
TOTAL STOCKHOLDERS’ EQUITY	32,790	40,943
Non-controlling interests	636	653
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance	33,426	41,596
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 144,422	$ 153,867