BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
LONG-TERM LIABILITIES
Rate of Senior notes	8.00%	8.00%
STOCKHOLDERS' EQUITY (DEFICIT)
Preferred Stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred Stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred Stock, shares outstanding (in shares)	0	0
Common Stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common Stock, shares authorized (in shares)	95,000,000	95,000,000
Common Stock, shares outstanding (in shares)	63,120,384	61,066,712