Note 4 - Accrued Liabilities

6 Months Ended

Jun. 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
	June 30 , 201 8		December 3 1 , 201 7
Inventory purchases	$	5,252	$	5,825
Research and development		1,016		164
Regulatory, clinical and quality		401		358
Warranty reserve		316		195
Interest		297		199
Deferred revenue		266		335
Sales and marketing		170		321
Sales and use tax		151		145
Legal		93		358
Information technology system and infrastructure implementations		16		114
Operations engagement fee		-		200
Insurance		-		127
Accrued other		556		486
Total accrued liabilities	$	8,534	$	8,827