Note 8 - Debt (Details) (USD $)	0 Months Ended	2 Months Ended	9 Months Ended				1 Months Ended	0 Months Ended		0 Months Ended		0 Months Ended				0 Months Ended				0 Months Ended	1 Months Ended	25 Months Ended	9 Months Ended		3 Months Ended	9 Months Ended	1 Months Ended		3 Months Ended																		0 Months Ended
	Aug. 08, 2014	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013	Aug. 08, 2014	Dec. 31, 2013	Jun. 20, 2012 Pik Loans To Cumulative Convertible Preferred Stock [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 20, 2012 Warrant [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 20, 2012 Warrant [Member] Fourth Amended and Restated Credit Agreement [Member]	Jul. 02, 2014 Warrant [Member] Warrant Amendment [Member]	Jul. 02, 2014 Warrant [Member] Warrant Amendment [Member]	Oct. 09, 2014 Subsequent Event [Member] Restructuring Support Agreement and Plan of Reorganization [Member] Minimum [Member] Line of Credit [Member] London Interbank Offered Rate (LIBOR) [Member]	Oct. 09, 2014 Subsequent Event [Member] Restructuring Support Agreement and Plan of Reorganization [Member] Maximum [Member] Line of Credit [Member] London Interbank Offered Rate (LIBOR) [Member]	Oct. 09, 2014 Subsequent Event [Member] Restructuring Support Agreement and Plan of Reorganization [Member] Line of Credit [Member]	Oct. 09, 2014 Subsequent Event [Member] Restructuring Support Agreement and Plan of Reorganization [Member] Line of Credit [Member]	Oct. 09, 2014 Subsequent Event [Member] Restructuring Support Agreement and Plan of Reorganization [Member] Revolving Credit Facility [Member]	Oct. 09, 2014 Subsequent Event [Member] Restructuring Support Agreement and Plan of Reorganization [Member] Revolving Credit Facility [Member]	Sep. 30, 2014 Default Interest Rate on Unpaid Interest [Member] Line Of Credit Converted To Term Loan [Member] Fourth Amended and Restated Credit Agreement [Member]	Aug. 08, 2014 After Entry of the Interim Order [Member]	Aug. 08, 2014 Extension Option Exercised [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 20, 2012 Loans Payable [Member] Fourth Amended and Restated Credit Agreement [Member]	Jun. 30, 2014 Loans Payable [Member] Fourth Amended and Restated Credit Agreement [Member]	Sep. 30, 2014 Line Of Credit Converted To Term Loan [Member] Minimum [Member] Fourth Amended and Restated Credit Agreement [Member]	Sep. 30, 2014 Line Of Credit Converted To Term Loan [Member] Maximum [Member] Fourth Amended and Restated Credit Agreement [Member]	Sep. 30, 2014 Line Of Credit Converted To Term Loan [Member] Fourth Amended and Restated Credit Agreement [Member] London Interbank Offered Rate (LIBOR) [Member]	Sep. 30, 2014 Line Of Credit Converted To Term Loan [Member] Fourth Amended and Restated Credit Agreement [Member] London Interbank Offered Rate (LIBOR) [Member]	Jun. 20, 2012 Line Of Credit Converted To Term Loan [Member] Fourth Amended and Restated Credit Agreement [Member]	Sep. 30, 2014 Line Of Credit Converted To Term Loan [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]	Dec. 31, 2015 Commencing In Quarterly Period Ending September 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]	Sep. 30, 2014 Fourth Amended and Restated Credit Agreement [Member] Liquidity Facility [Member]	Jun. 30, 2014 Fourth Amended and Restated Credit Agreement [Member] Liquidity Facility [Member]	Jun. 20, 2012 Fourth Amended and Restated Credit Agreement [Member] Next Third [Member]	Jun. 20, 2012 Fourth Amended and Restated Credit Agreement [Member] Last Third [Member]	Mar. 31, 2017 Fourth Amended and Restated Credit Agreement [Member]	Aug. 08, 2014 London Interbank Offered Rate (LIBOR) [Member]
Note 8 - Debt (Details) [Line Items]
Debt Conversion, Converted Instrument, Amount (in Dollars)																											$ 1,129,478,741
Collateral Coverage Ratio To Be Maintained On Term Loan Maturity Date																					80%
Debt Instrument Extended Date Period																					18 months
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)															275,000,000		50,000,000																										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 Line of Credit (in Dollars)																																										0
Long-term Debt, Excluding Current Maturities (in Dollars)		1,129,478,741	1,129,478,741
Payment In Kind Loan (in Dollars)		62,423,569	62,423,569			44,565,437
Maximum Leverage Ratio Of Term Loan Indebtedness To Ebitda To Be Maintained																													13.9	12.3	10.6	9.2		8.5	8.1	7.8	7.6	7.5	7.3	6.2
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 (in Dollars per share)									$ 0.01																																			$ 10.00	$ 12.00
Common Stock, Par or Stated Value Per Share (in Dollars per share)		$ 0.01	$ 0.01			$ 0.01			$ 0.01
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		$ 2.88
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate								1.64%		1.33%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate								79.30%		83.30%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term								10 years		7 years 328 days
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate								0.00%		0.00%
Debt Instrument, Interest Rate, Stated Percentage																		2.00%
Debtor-in-Possession Financing, Interest Rate on Borrowings Outstanding																												6.00%
Debt Instrument, Basis Spread on Variable Rate												3.50%	4.00%												3.50%	3.50%
Debt Instrument, Interest Rate During Period																							3.73%	8.23%
Debt, Weighted Average Interest Rate																												2.94%
Interest Not Accrued During Bankruptcy Proceedings (in Dollars)		14,844,413
Interest Paid Excluding Payment In Kind (in Dollars)			10,714,117	36,124,215
Debtor-in-Possession Financing, Date Arrangement Approved by Bankruptcy Court	Aug. 08, 2014
Debtor-in-Possession Financing, Extension Option	3 months
Debtor-in-Possession Financing, Extension Fee Percentage	0.75%
Debtor-in-Possession Financing, Term	9 months
Debtor-in-Possession Financing, Amount Arranged (in Dollars)					50,000,000														25,000,000
Debtor-in-Possession Financing, Spread on Variable Rate																				7.00%																											5.00%
Debtor-in-Possession Financing, Minimum Liquidity Covenant (in Dollars)	22,500,000
Line of Credit Facility, Commitment Fee Percentage														40.00%		40.00%
Debt Instrument, Covenant, Percentage of Aggregate Principal, Minimum Threshold															150.00%
Debt Instrument, Covenant, Percentage of Aggregate Principal, Maximum Threshold															165.00%
Debt Instrument, Covenant, Maximum Indebtedness															0.65
Debt Instrument, Covenant, EBITDA to Interest, Minimum Multiple															2.5
Debt Instrument, Covenant, Minimum Liquidity, Minimum Threshold (in Dollars)															20,000,000
Debt Instrument, Covenant, Minimum Liquidity, Minimum Threshold per Vessel (in Dollars per Item)															500,000
Debt Instrument, Periodic Payment, Principal, Number of Quarterly Installments															20
Debt Instrument, Periodic Payment, Principal (in Dollars)														$ 3,906,250