Note 6 - Accrued Liabilities

3 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

NOTE 6. ACCRUED LIABILITIES 

Accrued liabilities consisted of the following:

(in thousands)	March 31, 2016		December 31, 2015
Research and development	$	451	$	394
Employee payroll and benefits		514		614
Severance pay		591		590
Sales rebate		64		150
Other		399		232
Total accrued liabilities	$	2,019	$	1,980