Note 5 - Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2015

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

(in thousands)	September 30, 201 5		December 31, 201 4
Employee related expenses	$	4,531	$	3,348
Royalties		2,177		2,458
Clinical trials		261		—
Professional services		212		323
Inventory		86		88
Rent		55		196
Other accrued liabilities		564		657
Total accrued liabilities	$	7,886	$	7,070