Note 7 - Short- And Long-Term Debt (Details) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended		6 Months Ended		1 Months Ended	6 Months Ended				1 Months Ended				3 Months Ended			1 Months Ended			3 Months Ended	9 Months Ended				1 Months Ended				6 Months Ended
	Mar. 31, 2012	Mar. 31, 2013	Jun. 24, 2012	Jun. 30, 2013	Jun. 24, 2012	Dec. 30, 2012	Sep. 30, 2012	Mar. 31, 2013 Subsequent Event [Member] 3.25% Convertible Subordinated Notes [Member]	Feb. 02, 2013 Subsequent Event [Member] 3.25% Convertible Subordinated Notes [Member]	Jan. 22, 2013 Subsequent Event [Member] 10.875% Senior Secured Second Lien Notes [Member]	Jun. 30, 2013 Subsequent Event [Member] 10.875% Senior Secured Second Lien Notes [Member]	Dec. 30, 2012 Subsequent Event [Member] 10.875% Senior Secured Second Lien Notes [Member]	Mar. 31, 2013 Before Refinancing [Member] First Put Date In 2015 [Member]	Mar. 31, 2013 After Refinancing [Member] First Put Date In 2015 [Member]	Mar. 30, 2012 3.25% Convertible Subordinated Notes [Member]	Mar. 31, 2012 3.25% Convertible Subordinated Notes [Member]	Jul. 31, 2011 3.25% Convertible Subordinated Notes [Member]	Feb. 28, 2011 3.25% Convertible Subordinated Notes [Member]	Dec. 25, 2011 3.25% Convertible Subordinated Notes [Member]	Sep. 30, 2012 3.25% Convertible Subordinated Notes [Member]	Jan. 31, 2006 3.25% Convertible Subordinated Notes [Member]	Jan. 23, 2013 8.50% Convertible Senior Notes [Member]	Apr. 30, 2012 8.50% Convertible Senior Notes [Member]	Feb. 28, 2011 8.50% Convertible Senior Notes [Member]	Dec. 25, 2011 8.50% Convertible Senior Notes [Member]	Jun. 30, 2013 8.50% Convertible Senior Notes [Member]	Dec. 30, 2012 8.50% Convertible Senior Notes [Member]	Sep. 30, 2012 8.50% Convertible Senior Notes [Member]	Jul. 31, 2011 8.50% Convertible Senior Notes [Member]	Mar. 31, 2012 8.50% Senior Secured Second Lien Notes [Member]	Jun. 30, 2013 8.50% Senior Secured Second Lien Notes [Member]	Sep. 30, 2012 8.50% Senior Secured Second Lien Notes [Member]	Mar. 30, 2012 8.50% Senior Secured Second Lien Notes [Member]	Jun. 30, 2013 Minimum [Member]	Jun. 30, 2013 Maximum [Member]
Note 7 - Short- And Long-Term Debt (Details) [Line Items]
Debt Instrument, Face Amount										$ 12,200,000											$ 225,000,000			$ 40,000,000					$ 45,170,000				$ 78,931,000
Long-term Debt, Gross									11,886,000											11,886,000						39,822,000		58,504,000			78,931,000	78,931,000
Debt Instrument, Redemption Price Percentage Of Principal								100.00%			100.00%
Debt Instrument, Convertible, Conversion Ratio Denominator																								1,000
Debt Instrument, Convertible, Conversion Ratio Numerator (in Shares)																										116.2790
Debt Instrument, Convertible, Conversion Price (in Dollars per share)																										$ 8.60
Debt Instrument, Call Trigger Percentage																										150.00%
Debt Instrument, Call Feature Percentage																										100.00%				100.00%
Debt Instrument, Interest Rate, Stated Percentage												10.875%															8.50%				8.50%
Extinguishment of Debt, Amount															43,260,000	21,097,125	45,963,000	75,294,000				18,682,000	26,666,000
Cash Payments To Extinguish Debt																		30,000,000
Cash Payment In Debt Exchange																16,877,700	3,091,000	35,294,000					19,999,500
Extinguishment Of Debt, Exchange For New Debt																		40,000,000
Gains (Losses) on Extinguishment of Debt		4,986,000	5,897,000	4,986,000	5,897,000												2,915,000	5,467,000	3,268,000						2,629,000
Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt, Subsequent Adjustments																	606,000	3,371,000
Repayments of Convertible Debt																						11,583,000
Long-term Debt													58,504,000	39,822,000						11,698,000						36,854,000		52,339,000			73,760,000	72,893,000
Debt Instrument, Face Amount, Registration Statement																																	38,931,000
Debt Instrument, Face Amount, Private Placement																																	40,000,000
Warrants Issued, Private Placement (in Shares)	3,869,000						3,869,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)	0.01
Warrant Term																														10 years
Debt Instrument, Purchase Price, Private Placement																														39,400,000
Adjustments to Additional Paid in Capital, Warrant Issued	8,489,000
Issuance Of New Debt In Exchange For Old Debt																														38,931,000
Debt Issuance Cost			426,000		3,926,000	4,127,000
Proceeds from Issuance of Debt										11,590,000
Line of Credit Facility, Maximum Borrowing Capacity				35,000,000
Line Of Credit Facility, Minimum Bank Balance				15,000,000
Credit Facility Maximum Outstanding During Period				$ 7,000,000
Debt Instrument, Basis Spread on Variable Rate																																		1.00%	3.50%