CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Convertible redeemable preferred stock
Convertible redeemable preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Convertible redeemable preferred stock, authorized (in shares)	50,000,000	50,000,000
Equity:
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	1,500,000,000	1,500,000,000
Common stock, shares issued (in shares)	14,819,691	13,742,394
Series A [Member]
Convertible redeemable preferred stock
Convertible redeemable preferred stock, issued (in shares)	7,000,000	7,000,000
Convertible redeemable preferred stock, outstanding (in shares)	7,000,000	7,000,000
Convertible redeemable preferred stock, liquidation preference	$ 3,500,000	$ 3,500,000
Series B [Member]
Convertible redeemable preferred stock
Convertible redeemable preferred stock, issued (in shares)	0	7,866,800
Convertible redeemable preferred stock, outstanding (in shares)	0	7,866,800
Convertible redeemable preferred stock, liquidation preference	0	3,933,400
Series C [Member]
Convertible redeemable preferred stock
Convertible redeemable preferred stock, issued (in shares)	250,000	250,000
Convertible redeemable preferred stock, outstanding (in shares)	250,000	250,000
Convertible redeemable preferred stock, liquidation preference	$ 1,000,000	$ 1,000,000