Note 15 - Benefit Plans (Details) (USD $)	1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 28, 2015	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014	Dec. 31, 2014
Note 15 - Benefit Plans (Details) [Line Items]
Defined Contribution Plan Employer Matching Contribution Rate Per Dollar		$ 0.25		$ 0.10
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay		6.00%		6.00%
Defined Contribution Plan, Employer Discretionary Contribution Amount		32,000	12,000
Defined Benefit Plan, Contributions by Employer	400,000
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year		1,200,000
Other Assets [Member]
Note 15 - Benefit Plans (Details) [Line Items]
Assets in the Benefit Equalization Plan		41,000			40,000
Other Liabilities [Member]
Note 15 - Benefit Plans (Details) [Line Items]
Liabilities in the Benefit Equalization Plan		41,000			40,000
Defined Benefit Pension Plan, Liabilities		$ 2,800,000	$ 3,000,000