Note 1 - Organization and Significant Accounting Policies - Discontinued Operations (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Oct. 02, 2023
Revenues		$ 7,909	$ 14,065	$ 8,874
Gross purchase price		35,154
Cash and cash equivalents		23,287	20,116	32,642
Net cash flows used in operating activities (*)	[1]	(2,235)	(3,116)	(3,092)
Transaction costs		(690)
Trade receivables		30,307	29,830
Cash and cash equivalents		0	1,169	511
Net assets sold		(23,572)
Prepaid expenses and other current assets		12,526	6,789
Trade receivables			1,420
Cost of revenues		4,976	11,921	6,449
Gain on sale		10,892	0	0
Operating lease right-of-use assets		6,978	8,485
Net cash flows (used in) provided by investing activities		29,919	(436)	(29,997)
Prepaid expenses and other current assets			107
Property and equipment, net		6,732	6,624
Total current assets of discontinued operation		0	2,696
Goodwill		58,308	56,794
Gross profit		2,933	2,144	2,425
Intangible assets, net		2,967	2,392
Deferred tax assets			115
Trade payables		(1,154)	(1,859)
Property and equipment, net			475
Deferred revenues		(3,018)	(3,098)
Operating lease right-of-use assets			1,798
Accrued payroll and related benefits		(5,800)	(6,545)
Goodwill			17,983
Research and development, net		5,489	8,184	3,415
Operating lease liabilities		(2,513)	(2,680)
Intangible assets, net			4,288
Total long-term assets of discontinued operation		0	24,659
Total assets of discontinued operation			27,355
Sales and marketing		662	1,427	628
Trade payables			136
General and administrative		757	1,139	1,506
Deferred revenues			70
Accrued expenses and other payables			115
Accrued payroll and related benefits			969
Amortization of intangible assets		373	699	408
Operating lease liabilities			302
Total current liabilities of discontinued operation		0	1,592
Total operating expenses		7,281	11,449	5,957
Operating lease liabilities			1,496
Total long-term liabilities of discontinued operation		0	1,496
Total liabilities of discontinued operation			3,088
Operating loss		(4,348)	(9,305)	(3,532)
Financial income, net		3	0	0
Total gain (loss) from discontinued operations before taxes on income		6,547	(9,305)	(3,532)
Income tax benefit		(12)	0	(1,531)
Net income (loss) from discontinued operations		$ 6,559	$ (9,305)	$ (2,001)
Discontinued Operations, Disposed of by Sale [Member]
Cash and cash equivalents					$ 525
Trade receivables					931
Prepaid expenses and other current assets					354
Operating lease right-of-use assets					1,590
Property and equipment, net					364
Goodwill					18,463
Intangible assets, net					3,323
Trade payables					(44)
Deferred revenues					(123)
Accrued payroll and related benefits					(221)
Operating lease liabilities					(1,590)
Total net assets sold					$ 23,572

[1] Amortization and depreciation allocated to discontinued operation for the years ended December 31, 2021, 2022 and 2023 amounted to $1,257, $2,205 and $1,081, respectively.