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Note 1 - Business Description, Basis of Presentation and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

		Year Ended December 31,
		201 8				201 7
Balance at beginning of the year		$	472			$	187
Allowance increase (decrease)			159				287
Write offs, net of recoveries			-				(2	)
Balance at end of the year		$	631			$	472

Schedule of Deferred Revenue and Associated Cost of Goods Sold and Gross Profit [Table Text Block]

		As of December 31,
		2018				2017
Deferred revenue		$	283			$	4,635
Deferred cost of goods sold			-				1,555
Deferred gross profit		$	283			$	3,080

Disaggregation of Revenue [Table Text Block]

		Twelve months ended December 31, 2018				Twelve months ended December 31, 2017
Audio Conferencing		$	13,946			$	21,078
Microphones			9,012				13,430
Video products			5,198				7,296
		$	28,156			$	41,804

		Twelve months ended December 31, 2018				Twelve months ended December 31, 2017
North and South America		$	16,534			$	26,310
Asia (including Middle East) and Australia			7,924				11,087
Europe and Africa			3,698				4,407
		$	28,156			$	41,804

Schedule of Product Warranty Liability [Table Text Block]

		Year Ended December 31,
		2018				2017
Balance at the beginning of year		$	245			$	246
Accruals/additions			288				399
Usage/claims			(339	)			(400	)
Balance at end of year		$	194			$	245

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

		Year Ended December 31,
		2018				2017
Numerator:
Net loss		$	(16,687	)		$	(14,172	)
Denominator:
Basic weighted average shares			8,942,629				8,576,588
Dilutive common stock equivalents using treasury stock method			-				-
Diluted weighted average shares			8,942,629				8,576,588
Basic loss per common share:		$	(1.87	)		$	(1.65	)
Diluted loss per common share:		$	(1.87	)		$	(1.65	)
Weighted average options outstanding			713,331				815,870
Anti-dilutive options not included in the computation			713,331				815,870

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