Note 15 - Subsequent Events (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2015

Dec. 31, 2014

Note 15 - Subsequent Events (Tables) [Line Items]

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

Year Ending December 31,
2015 (remaining 3 months)	$	56
2016		229
2017		58
Total minimum lease payments	$	343

Year Ending December 31,
2015	$	31
Total minimum lease payments	$	31

Subsequent Event [Member]

Note 15 - Subsequent Events (Tables) [Line Items]

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

Year Ending December 31,
2015	$	199
2016		229
2017		58
Total minimum lease payments	$	486