Note 4 - Accrued Liabilities

9 Months Ended

Sep. 30, 2016

Notes to Financial Statements

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

4.         Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	September 30,		December 31,
	2016		2015
Accrued professional fees	$	587	$	388
Accrued bonuses		513		613
Customer advance payments		442		20
Accrued payroll and other related expenses		251		113
Accrued clinical trial costs		4		112
Other accruals		181		47
Total accrued liabilities	$	1,978	$	1,293