Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 10,540	$ 30,876
Accounts receivable, net of allowance of $14,100 and $11,997 as of June 30, 2022, and December 31, 2021	46,754	46,918
Inventories	22,363	20,543
Prepaid expenses	2,169	2,737
Advances to suppliers	2,869	2,162
Other current assets	3,873	3,758
Total current assets	88,568	106,994
LONG-TERM ASSETS:
Long-term trade receivables	26,724	27,710
Deferred tax assets	579	284
Severance pay funds	815	817
Property and equipment, net	2,395	2,669
Intangible assets	13,670	15,393
Total long-term assets	44,183	46,873
TOTAL ASSETS	132,751	153,867
CURRENT LIABILITIES:
Trade payables	4,184	4,913
Accrued expenses and other current liabilities	17,449	19,512
Income taxes payable	690	294
Unearned interest income	2,884	2,678
Warranty accrual	1,173	1,245
Deferred revenues	1,800	2,030
Current portion of government assistance loans	0	543
Total current liabilities	28,180	31,215
LONG-TERM LIABILITIES:
Long-term debt	77,507	77,325
Income tax payable	582	563
Accrued severance pay	931	911
Deferred tax liabilities	58	46
Unearned interest income	1,433	1,355
Warranty accrual	437	508
Other long-term liabilities	227	348
Total long-term liabilities	81,175	81,056
TOTAL LIABILITIES	109,355	112,271
Commitments and Contingencies (Note 8)
STOCKHOLDERS’ EQUITY:
Common Stock, $0.0001 par value: 300,000,000 shares authorized as of June 30, 2022 and December 31, 2021; 64,399,044 and 63,982,580 issued and outstanding as of June 30, 2022, and December 31, 2021, respectively	27	27
Additional paid-in capital	222,393	221,321
Accumulated deficit	(199,583)	(180,405)
TOTAL STOCKHOLDERS’ EQUITY	22,837	40,943
Non-controlling interests	559	653
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance	23,396	41,596
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 132,751	$ 153,867