Note 4 - Debt (Details) (USD $)	3 Months Ended	6 Months Ended	9 Months Ended		15 Months Ended		1 Months Ended			1 Months Ended	3 Months Ended												1 Months Ended					9 Months Ended
	Dec. 31, 2015	Jun. 19, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Dec. 31, 2012	Jun. 20, 2012 Pik Loans To Cumulative Convertible Preferred Stock [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 20, 2012 Next Third [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 20, 2012 Last Third [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 20, 2012 Warrant [Member] Fourth Amended and Restated Credit Agreement [Member]	Sep. 30, 2013 Commencing In Quarterly Period Ending September 30, 2013 [Member] Fourth Amended and Restated Credit Agreement [Member]	Dec. 31, 2013 Commencing In Quarterly Period Ending December 31 2013 [Member] Fourth Amended and Restated Credit Agreement [Member]	Mar. 31, 2014 Commencing In Quarterly Period Ending March 31 2014 [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 30, 2014 Commencing In Quarterly Period Ending June 30 2014 [Member] Fourth Amended and Restated Credit Agreement [Member]	Sep. 30, 2014 Commencing In Quarterly Period Ending September 30, 2014 [Member] Fourth Amended and Restated Credit Agreement [Member]	Dec. 31, 2014 Commencing In Quarterly Period Ending December 31 2014 [Member] Fourth Amended and Restated Credit Agreement [Member]	Mar. 31, 2015 Commencing In Quarterly Period Ending March 31 2015 [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 30, 2015 Commencing In Quarterly Period Ending June 30 2015 [Member] Fourth Amended and Restated Credit Agreement [Member]	Sep. 30, 2015 Commencing In Quarterly Period Ending September 30 2015 [Member] Fourth Amended and Restated Credit Agreement [Member]	Dec. 31, 2015 Commencing In Quarterly Period Ending December 31 2015 [Member] Fourth Amended and Restated Credit Agreement [Member]	Mar. 31, 2017 Declining In Intervals Till Quarterly Period Ending March 31, 2017 Upon Extension Of Termination Date [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 30, 2013 Commencing In Quarterly Period Ending June 30, 2013 [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 20, 2012 Fourth Amended and Restated Credit Agreement [Member] Loans Payable [Member]	Jun. 20, 2012 Fourth Amended and Restated Credit Agreement [Member] Line Of Credit Converted To Term Loan [Member]	Sep. 30, 2013 Fourth Amended and Restated Credit Agreement [Member] Liquidity Facility [Member]	Jun. 20, 2012 Fourth Amended and Restated Credit Agreement [Member] Liquidity Facility [Member]	Mar. 31, 2017 Fourth Amended and Restated Credit Agreement [Member]	Sep. 30, 2013 Minimum [Member]	Sep. 30, 2013 Maximum [Member]
Note 4 - Debt (Details) [Line Items]
Debt Conversion, Converted Instrument, Amount (in Dollars)																								$ 1,129,478,741
Debt Instrument, Maturity Date																							Dec. 31, 2015
Collateral Coverage Ratio To Be Maintained On Term Loan Maturity Date																							80%
Debt Instrument Extended Date Period																							18 months
Debt Instrument Extended Maturity Date																							Jun. 30, 2017
Cash Balance Resulting In Mandatory Repayments Of Term Loan Principal (in Dollars)																							20,000,000
Debt Instrument Initial Cash Margin																							3.50%
Debt Instrument Initial Paid In Kind Margin																							2.50%
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)																										20,000,000
Par Value Per Share For Conversion Of Pik Loans Into Shares Of Cumulative Convertible Preferred Stock (in Dollars per share)							$ 10.00
Long-term Debt, Excluding Current Maturities (in Dollars)			1,129,478,741		1,129,478,741	1,129,478,741
Payment In Kind Loan (in Dollars)			37,112,217		37,112,217	15,387,468
Deferred Finance Costs, Net (in Dollars)																									12,636,295
Maximum Leverage Ratio Of Term Loan Indebtedness To Ebitda To Be Maintained											13.9:1	12.3:1	10.6:1	9.2:1	8.5:1	8.1:1	7.8:1	7.6:1	7.5:1	7.3:1	6.2:1
Minimum Interest Coverage Ratio Of Term Loan Indebtedness To Ebitda To Be Maintained											140.00%	160.00%	180.00%	200.00%	210.00%	220.00%	220.00%	220.00%	220.00%	220.00%	230.00%	130.00%
Free Cash To Be Maintained With Agent Per Vessel (in Dollars)																											500,000
Maximum Collateral Coverage Ratio Of Term Loan Indebtedness To Ebitda To Be Maintained	80.00%														100.00%						70.00%
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in Shares)										3,148,584
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights 1 (in Dollars per share)										$ 0.01
Common Stock, Par or Stated Value Per Share (in Dollars per share)			$ 0.01		$ 0.01	$ 0.01				$ 0.01
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)								$ 10.00	$ 12.00
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value (in Dollars per share)										$ 7,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price (in Dollars per share)										$ 2.98
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate										1.64%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate										79.30%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term										10 years
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate										0.00%
Debt Instrument, Interest Rate During Period																												3.64%	7.40%
Debt Instrument, Basis Spread on Variable Rate		2.50%			3.50%
Debt, Weighted Average Interest Rate			3.98%		3.98%
Interest Paid Excluding Payment In Kind (in Dollars)			$ 36,124,215	$ 33,326,847