CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013
CONSOLIDATED BALANCE SHEETS
Equipment, accumulated depreciation (in dollars)	$ 184	$ 132
Unamortized discount, Current	2,601
Unamortized discount, Noncurrent	$ 30,278
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	100,000,000	100,000,000
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	300,000,000	300,000,000
Common stock, shares issued	115,119,415	72,595,718
Common stock, shares outstanding	115,119,415	72,595,718