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Note 1 - Organization and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]

Identifiable Intangible Assets		Estimated Fair Value				Weighted-Average Estimated Useful Life in Years
Customer relationships		$	3,604				5.5
Customer backlog			421				1.5
Technologies			3,329				3.0
Patents			218				5.0
Total identifiable intangible assets		$	7,572

Business Acquisition, Pro Forma Information [Table Text Block]

		Year ended December 31
		2020				2021
Pro forma total revenues		$	122,048			$	131,397
Pro forma net loss			(3,837	)			(1,707	)

Schedule of Property, Plant and Equipment, Annual Depreciation Rates [Table Text Block]

		%
Computers, software and equipment			10	-	33
Office furniture and equipment			7	-	33
Leasehold improvements			10	-	20
		(the shorter of the expected lease term or useful economic life)

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

		2019					2020					2021
Expected dividend yield			0%					0%					0%
Expected volatility		42%	-	43%			32%	-	60%			39%	-	60%
Risk-free interest rate		2.0%	-	2.5%			0.1%	-	1.9%			0.1%	-	1.7%
Expected forfeiture			0%					0%					0%
Contractual term of up to (months)			24					24					24

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Year ended December 31,
		2019				2020				2021
Cost of revenue		$	630			$	639			$	818
Research and development, net			5,857				6,874				7,287
Sales and marketing			1,495				2,038				1,626
General and administrative			2,736				4,085				3,324
Total equity-based compensation expense		$	10,718			$	13,636			$	13,055

Financing Receivable, Allowance for Credit Loss [Table Text Block]

		Balance at beginning of period				Additions				Deduction				Balance at end of period
Year ended December 31, 2021
Allowance for credit losses		$	300			$	152			$	(164	)		$	288
Year ended December 31, 2020
Allowance for credit losses		$	327			$	1,443			$	(1,470	)		$	300
Year ended December 31, 2019
Allowance for doubtful accounts		$	—			$	327			$	—			$	327

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Year ended December 31,
		2019				2020				2021
Numerator:
Net income (loss)		$	28			$	(2,379	)		$	396
Denominator (in thousands):
Basic weighted-average common stock outstanding			21,932				22,107				22,819
Effect of stock-based awards			391				—				432
Diluted weighted-average common stock outstanding			22,323				22,107				23,251
Basic net income (loss) per share		$	0.00			$	(0.11	)		$	0.02
Diluted net income (loss) per share		$	0.00			$	(0.11	)		$	0.02

Intrinsix Corp. [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Assets
Net assets (including cash in the amount of $600)		$	872
Intangible assets			7,572
Goodwill			23,707
Total assets		$	32,151
Liabilities
Deferred tax liabilities		$	1,660
Total liabilities		$	1,660
Total		$	30,491

Immervision [Member]

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Prepaid expenses		$	2,937
Intangible assets:
R&D tools			7,063
Total assets		$	10,000

Acquisition of Hillcrest Labs [Member]

Notes Tables

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

Tangible assets (including inventory, property and equipment and other)		$	681
Intangible assets:
R&D tools			2,475
Customer relationships			3,518
Customer backlog			72
Goodwill			4,458
Total assets		$	11,204

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