Note 9 - Stock Incentive Plans (Details) (USD $)	1 Months Ended	3 Months Ended					3 Months Ended		9 Months Ended	12 Months Ended			3 Months Ended		12 Months Ended						3 Months Ended
	May 31, 2012	Mar. 31, 2014 Restricted Stock Units (RSUs) [Member] Equity Incentive Plan [Member]	Mar. 31, 2013 Restricted Stock Units (RSUs) [Member] Equity Incentive Plan [Member]	Mar. 31, 2014 Restricted Stock Units (RSUs) [Member] Equity Incentive Plan [Member] Minimum [Member]	Mar. 31, 2014 Restricted Stock Units (RSUs) [Member] Equity Incentive Plan [Member] Maximum [Member]	Mar. 31, 2014 Restricted Stock Units (RSUs) [Member]	Mar. 31, 2014 Dividend Equivalent Rights Award [Member]	Mar. 31, 2013 Dividend Equivalent Rights Award [Member]	Dec. 31, 2014 Equity Incentive Plan [Member] Non Employee Directors [Member]	Dec. 31, 2015 Equity Incentive Plan [Member] Non Employee Directors [Member]	Mar. 31, 2014 Equity Incentive Plan [Member] Non Employee Directors [Member]	Dec. 31, 2013 Equity Incentive Plan [Member] Non Employee Directors [Member]	Mar. 31, 2014 Equity Incentive Plan [Member] Management [Member]	Mar. 31, 2013 Equity Incentive Plan [Member] Management [Member]	Dec. 31, 2011 Equity Incentive Plan [Member]	Dec. 31, 2009 Equity Incentive Plan [Member]	Mar. 31, 2014 Equity Incentive Plan [Member] Minimum [Member] Non Employee Directors [Member]	Mar. 31, 2013 Equity Incentive Plan [Member] Minimum [Member] Non Employee Directors [Member]	Mar. 31, 2014 Equity Incentive Plan [Member] Maximum [Member] Non Employee Directors [Member]	Mar. 31, 2013 Equity Incentive Plan [Member] Maximum [Member] Non Employee Directors [Member]	Mar. 31, 2014 Management 2011 Plan [Member] Management [Member]	Mar. 31, 2014 Minimum [Member] Management [Member]	Mar. 31, 2014 Maximum [Member] Management [Member]
Note 9 - Stock Incentive Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)															5,900,000	1,050,000
Stockholders' Equity, Reverse Stock Split	1 for 4
Share-based Compensation Arrangement by Share-based Payment Award, Description															10%
Restricted Stock Units Outstanding (in Shares)						123,667
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years	5 years								3 years								4 years
Allocated Share-based Compensation Expense		$ 124,891	$ 1,614,720				$ 0	$ 0	$ 277,459	$ 123,032			$ 154,852	$ 340,671
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized		$ 392,149
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares)							147,667				1,727,667	1,727,667
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price (in Dollars per share)																	$ 3.34	$ 3.34	$ 87.52	$ 87.52
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term																						5 years	10 years