Note 10 - Stock Incentive Plans (Details) (USD $)	1 Months Ended	6 Months Ended	12 Months Ended	6 Months Ended				6 Months Ended			6 Months Ended	12 Months Ended				6 Months Ended
	May 22, 2012	Dec. 31, 2013 Restricted Stock Units (RSUs) [Member] Equity Incentive Plan [Member] Management [Member]	Dec. 31, 2014 Restricted Stock Units (RSUs) [Member] Equity Incentive Plan [Member] Management [Member]	Jun. 30, 2013 Restricted Stock Units (RSUs) [Member] Equity Incentive Plan [Member]	Jun. 30, 2012 Restricted Stock Units (RSUs) [Member] Equity Incentive Plan [Member]	Jun. 30, 2013 Restricted Stock Units (RSUs) [Member] Minimum [Member]	Dec. 31, 2015 Dividend Equivalent Rights Award [Member] Non Employee Directors [Member]	Jun. 30, 2013 Equity Option [Member] Equity Incentive Plan [Member] Non Employee Directors [Member]	Jun. 30, 2012 Equity Option [Member] Equity Incentive Plan [Member] Non Employee Directors [Member]	Dec. 31, 2012 Equity Option [Member] Equity Incentive Plan [Member] Non Employee Directors [Member]	Dec. 31, 2013 Equity Incentive Plan [Member] Non Employee Directors [Member]	Dec. 31, 2014 Equity Incentive Plan [Member] Non Employee Directors [Member]	Dec. 31, 2015 Equity Incentive Plan [Member] Non Employee Directors [Member]	Dec. 31, 2011 Equity Incentive Plan [Member]	Dec. 31, 2009 Equity Incentive Plan [Member]	Jun. 30, 2013 Equity Incentive Plan [Member] Minimum [Member] Non Employee Directors [Member]	Jun. 30, 2013 Equity Incentive Plan [Member] Maximum [Member] Non Employee Directors [Member]
Note 10 - Stock Incentive Plans (Details) [Line Items]
Stockholders' Equity, Reverse Stock Split	1 for 4
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)														5,900,000	1,050,000
Share-based Compensation Arrangement by Share-based Payment Award, Description														10%
Restricted Stock Units Outstanding (in Shares)				303,664
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period						5 years
Allocated Share-based Compensation Expense		$ 789,259	$ 532,905	$ 3,086,775	$ 4,133,972			$ 678,799	$ 747,952		$ 309,702	$ 432,310	$ 123,032
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in Shares)								1,908,371		1,908,371
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price (in Dollars per share)																$ 3.34	$ 87.52
Share Based Compensation Arrangement By Share Based Payment Award Option Expiration Period From Date Of Grant																5 years	10 years
Common Stock Outstanding Equivalent To Dividend (in Shares)							147,667