BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2013	Dec. 31, 2012
STOCKHOLDERS' EQUITY:
Preferred stock, par value (in dollars per share)		$ 0.001
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	90,000,000	90,000,000
Common stock, shares issued (in shares)	27,465,836	22,331,687
Common stock, shares outstanding (in shares)	27,465,836	22,331,687
Class B Preferred Stock [Member]
STOCKHOLDERS' EQUITY:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	2,000,000	2,000,000
Preferred stock, shares issued (in shares)	1,160,000	1,160,000
Preferred stock, shares outstanding (in shares)	1,160,000	1,160,000
Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	4,985,000	0
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Class C Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	2,500,000	2,500,000
Preferred stock, shares issued (in shares)	2,380,952	2,380,952
Preferred stock, shares outstanding (in shares)	2,380,952	2,380,952
Series D Redeemable Convertible Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	15,000	15,000
Preferred stock, shares issued (in shares)	13,376	7,796
Preferred stock, shares outstanding (in shares)	13,376	7,796