Note 10 - Employee Benefit Plan (Details) (USD $)	6 Months Ended	12 Months Ended
	Jul. 06, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Disclosure Text Block Supplement [Abstract]
Defined Contribution Plan, Employer Matching Contribution, Percent of Match	50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay	6.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount				$ 7,500
Defined Contribution Plan, Cost Recognized		$ 43,000	$ 43,000	$ 130,000