Note 7 - Commitments and Contingencies (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2016

Dec. 31, 2015

Notes Tables

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Year Ending December 31,
2016 ( remaining 9 months)	$	173
2017		58
Total minimum lease payments	$	231

Year Ending December 31,
2016		229
2017		58
Total minimum lease payments	$	287