COMMON STOCK (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Common stock, number of shares, par value and other disclosures
Common stock, authorized	200,000,000	200,000,000
Common stock, par value (in dollars per share)	$ 0.00001	$ 0.00001
Common stock, issued	79,021,039	78,773,736
Common stock, outstanding	79,021,039	78,773,736
Common stock disclosures
Proceeds from exercise of stock options (in dollars)	$ 104,000
Proceeds from warrant exercises	12,000
Issuance of common stock to 401(k) plan (in dollars)	41,000
Common Stock
Common stock disclosures
Issuance of common stock upon exercise of stock options (in shares)	52,625
Issuance of common stock upon exercise of warrants (in shares)	39,900
Warrants to purchase through cashless exercise provisions (in shares)	62,620
Shares issued through cashless exercise provisions	27,610
Warrants to purchase exercise through cash (in shares)	12,290
Issuance of common stock to 401(k) plan (in shares)	23,556
Issuance of stock for services (in dollars)	$ 282,000
Common Stock | Michael J. Astrue, Interim Chief Executive Officer
Common stock disclosures
Issuance of stock for services (in shares)	108,848
Common Stock | Gregory D. Perry, Interim Chief Financial Officer
Common stock disclosures
Issuance of stock for services (in shares)	22,374