Note 4 - Accrued Liabilities

9 Months Ended

Sep. 30, 2018

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

4 . Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	At
	September 30 , 201 8		December 3 1 , 201 7
Inventory purchases	$	6,418	$	5,825
Research and development		575		164
Warranty reserve		454		195
Regulatory, clinical and quality		426		358
Sales and marketing		379		321
Interest		305		199
Legal		299		358
Deferred revenue		187		335
Sales and use tax		154		145
Information technology		-		114
Operations engagement fee		-		200
Insurance		-		127
Accrued other		780		486
Total accrued liabilities	$	9,977	$	8,827