Note 6 - Income Taxes - Provision for (Benefit from) Income Taxes (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Jun. 30, 2015
Current:
Federal
State			20
			20
Deferred:
Federal
State
	$ 20		$ 20