Note 3 - Long-Term Debt (Detail) - Tranches in Connection with Term Loan (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 05, 2013	Jan. 09, 2013
Principal Amount	$ 65,974
Potential Number of Shares Issuable (in Shares)	1,905,144	400,000
Tranche A-1 [Member]
Principal Amount	4,550
Conversion Price (in Dollars per share)	$ 7.00
Potential Number of Shares Issuable (in Shares)	650,000
Tranche A-2a [Member]
Principal Amount	2,411
Conversion Price (in Dollars per share)	$ 35.00
Potential Number of Shares Issuable (in Shares)	68,889
Tranche A-2b [Member]
Principal Amount	7,576
Tranche B-1 [Member]
Principal Amount	2,856
Conversion Price (in Dollars per share)	$ 13.50
Potential Number of Shares Issuable (in Shares)	211,565
Tranche B-2 [Member]
Principal Amount	2,190
Conversion Price (in Dollars per share)	$ 12.50
Potential Number of Shares Issuable (in Shares)	175,239
Tranche B-3a [Member]
Principal Amount	6,810
Conversion Price (in Dollars per share)	$ 35.00
Potential Number of Shares Issuable (in Shares)	194,558
Tranche B-3b [Member]
Principal Amount	26,485
Tranche C-1 [Member]
Principal Amount	5,775
Conversion Price (in Dollars per share)	$ 13.50
Potential Number of Shares Issuable (in Shares)	427,743
Tranche C-2 [Member]
Principal Amount	2,214
Conversion Price (in Dollars per share)	$ 12.50
Potential Number of Shares Issuable (in Shares)	177,150
Tranche D [Member]
Principal Amount	$ 5,107