Note 3 - Balance Sheet Details (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30, 201 9		December 31, 201 8
	(unaudited)
Raw materials	$	163	$	136
Finished goods		2,565		2,761
Net inventory balance	$	2,728	$	2,897

Property, Plant and Equipment [Table Text Block]

	September 30, 201 9			December 31, 201 8
	(unaudited)
Leasehold improvements	$	162		$	114
Furniture and fixtures		268			286
Machinery and equipment		610			844
		1,040			1,244
Less accumulated depreciation and amortization		(908	)		(1,132	)
Property and equipment, net	$	132		$	112

Schedule of Other Accrued Liabilities [Table Text Block]

	September 30, 2019		December 31 , 201 8
	(unaudited)
Accrued warranty	$	341	$	365
Accrued outside commissions		46		41
Accrued contingent legal fees		-		100
Deferred rent		-		22
Other accrued liabilities		18		31
Total other accrued liabilities	$	405	$	559