Note 5 - Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2015

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

(in thousands)	June 30, 201 5		December 31, 201 4
Employee related expenses	$	3,583	$	3,348
Royalties		1,233		2,458
Professional services		194		323
Inventory		94		88
Rent		57		196
Other accrued liabilities		682		657
Total accrued liabilities	$	5,843	$	7,070