Note 6 - Accrued Liabilities

3 Months Ended

Mar. 31, 2017

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

(6 ) Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	March 31, 2017		December 31, 2016
Accrued expenses	$	572	$	478
Accrued clinical trial costs		86		—
Customer deposits		62		66
Total	$	720	$	544