Note 7 - Stockholders' Deficit (Details) - Warrants Exercisable (USD $) In Thousands, except Per Share data, unless otherwise specified	5 Months Ended	6 Months Ended
	Jun. 03, 2014	Jun. 30, 2014
Class of Warrant or Right [Line Items]
Warrants Authorized		42,647
Warrants Issued		2,966
Balance (in Dollars)		$ 16,255
Exercised/Forfeited	(29,358)
Series A Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		95
Exercise Price (in Dollars per share)		$ 0.37
Exercisable Period		3 years
Exercised/Forfeited	(95)
Series B Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		40
Balance (in Dollars)		40
Exercise Price (in Dollars per share)		$ 1.57
Exercisable Period		3 years
Series C Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		20
Balance (in Dollars)		20
Exercise Price (in Dollars per share)		$ 1.57
Exercisable Period		3 years
Series C Warrant Reset [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		20
Balance (in Dollars)		20
Exercise Price (in Dollars per share)		$ 0.35
Exercisable Period		3 years
Series D Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		14
Balance (in Dollars)		14
Exercise Price (in Dollars per share)		$ 1.57
Exercisable Period		5 years
Series E Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		29
Balance (in Dollars)		29
Exercise Price (in Dollars per share)		$ 1.57
Exercisable Period		5 years
Series F Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		40
Balance (in Dollars)		40
Exercise Price (in Dollars per share)		$ 1.57
Exercisable Period		3 years
Series G Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		47
Balance (in Dollars)		47
Exercise Price (in Dollars per share)		$ 1.31
Exercisable Period		3 years
Series G Warrant Reset [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		48
Balance (in Dollars)		48
Exercise Price (in Dollars per share)		$ 0.35
Exercisable Period		3 years
Series H Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		63
Balance (in Dollars)		63
Exercise Price (in Dollars per share)		$ 1.57
Exercisable Period		3 years
Series H Warrant Reset [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		20
Balance (in Dollars)		20
Exercise Price (in Dollars per share)		$ 0.35
Exercisable Period		3 years
Series VT a Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		37,551
Warrants Issued		2,966
Balance (in Dollars)		11,254
Exercise Price (in Dollars per share)		$ 0.20
Exercisable Period		5 years
Exercised/Forfeited	(29,263)
Series VT b Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		4,260
Balance (in Dollars)		4,260
Exercise Price (in Dollars per share)		$ 0.20
Exercisable Period		5 years
Series I Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		300
Balance (in Dollars)		300
Exercise Price (in Dollars per share)		$ 0.35
Exercisable Period		3 years
Series J Warrant [Member]
Class of Warrant or Right [Line Items]
Warrants Authorized		100
Balance (in Dollars)		$ 100
Exercise Price (in Dollars per share)		$ 0.35
Exercisable Period		2 years