SUBSEQUENT EVENTS	12 Months Ended
Dec. 31, 2014
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTS Issuance of Convertible Promissory Notes The Company entered into a purchase agreement with seven accredited investors (the “Investors”) on January 15, 2015 and issued and sold to the Investors in a private placement (the “Additional Private Placement”) Notes in an aggregate principal amount of $925,000 on January 20, 2015. Each of the Notes accrues interest at a rate of 6% per year and matures on December 31, 2016. The outstanding principal and unpaid interest accrued under each Note is convertible into shares of common stock of the Company as follows: (i) commencing upon the date of issuance of the Note (but no earlier than January 1, 2015), the Investor holding such Note is entitled to convert, on a one-time basis, up to 50% of the outstanding principal and unpaid interest accrued under the Note, into shares of our common stock at a conversion price equal to the lesser of (a) the average closing price of our common stock on the principal securities exchange or securities market on which our common stock is then traded (the “Market”) for the 20 consecutive trading days immediately preceding the date of conversion, and (b) $2.20 (subject to adjustment for stock splits, stock dividends, other distributions, recapitalizations and the like); and (ii) commencing February 15, 2015, the Investor holding such Note is entitled to convert, on a one-time basis, any or all of the remaining outstanding principal and unpaid interest accrued under the Note, into shares of our common stock at a conversion price equal to 85% of the average closing price of our common stock on the Market for the 15 consecutive trading days immediately preceding the date of conversion. The Additional Private Placement required the repricing and issuance of additional common stock warrants to the investors in the Company’s February 2012 common stock and warrant financing. The exercise price of these warrants decreased from $10.25 per share to $9.59 per share and the number of shares issuable upon exercise of the warrants increased from 1,387,685 to 1,483,161. Issuance of Common Stock and Common Stock Warrants On February 27, 2015, the Company entered into a purchase agreement with Craig-Hallum Capital Group LLC (the “Underwriter”) relating to the Company’s sale and issuance of 3,573,899 shares of the Company’s common stock and corresponding warrants to purchase up to 714,780 shares of the Company’s common stock (the “Offering”). Each share of common stock was sold in combination with a warrant to purchase 0.20 of a share of common stock. The purchase price to the public for each share of common stock and accompanying warrant was $1.95. The purchase price paid by the Underwriter to the Company for the common stock and accompanying warrants was $1.8135. The net proceeds from the Offering, after deducting the Underwriter’s discount and other estimated Offering expenses, were approximately $6.2 million. The accompanying warrants are exercisable immediately upon their initial issuance date at an exercise price of $2.24 per share and will expire five years from the date of issuance. The exercise price will also be subject to adjustment in the event of certain stock dividends and distributions, stock splits, stock combinations, reclassifications or similar events affecting our common stock. The Offering required the repricing and issuance of additional common stock warrants to the investors in the Company’s February 2012 common stock and warrant financing. The exercise price of these warrants decreased from $9.59 per share to $7.56 per share and the number of shares issuable upon exercise of the warrants increased from 1,483,161 to 1,881,396. Amended Loan and Security Agreement On April 1, 2015, the Company entered into a sixth amendment to the Loan Agreement. The sixth amendment provides, among other things, that (i) the Lenders will waive specified events of default under the terms of the Loan Agreement, (ii) commencing as of April 1, 2015, the Company will make monthly interest payments to the Lenders, (iii) the Company will not be obligated to make monthly payments of principal to the Lenders until April 1, 2016, (iv) the Company will be required to make an initial prepayment of a portion of the loan balance in the amount of approximately $149,000 on April 1, 2015 and one or more additional prepayments to the Lenders under the Loan Agreement upon the occurrence of certain events, and (v) the Company will not be required to comply with the minimum liquidity ratio under the terms of the Loan Agreement until the earliest to occur of a specified event or March 31, 2016. The sixth amendment also extends the time period in which the Company must provide certain reports and statements to the Lenders and amends the circumstances pursuant to which the Company may engage in certain sales or transfers of its business or property without the consent of the Lenders.

SUBSEQUENT EVENTS

Issuance of Convertible Promissory Notes

The Company entered into a purchase agreement with seven accredited investors (the “Investors”) on January 15, 2015 and issued and sold to the Investors in a private placement (the “Additional Private Placement”) Notes in an aggregate principal amount of $925,000 on January 20, 2015. Each of the Notes accrues interest at a rate of 6% per year and matures on December 31, 2016. The outstanding principal and unpaid interest accrued under each Note is convertible into shares of common stock of the Company as follows: (i) commencing upon the date of issuance of the Note (but no earlier than January 1, 2015), the Investor holding such Note is entitled to convert, on a one-time basis, up to 50% of the outstanding principal and unpaid interest accrued under the Note, into shares of our common stock at a conversion price equal to the lesser of (a) the average closing price of our common stock on the principal securities exchange or securities market on which our common stock is then traded (the “Market”) for the 20 consecutive trading days immediately preceding the date of conversion, and (b) $2.20 (subject to adjustment for stock splits, stock dividends, other distributions, recapitalizations and the like); and (ii) commencing February 15, 2015, the Investor holding such Note is entitled to convert, on a one-time basis, any or all of the remaining outstanding principal and unpaid interest accrued under the Note, into shares of our common stock at a conversion price equal to 85% of the average closing price of our common stock on the Market for the 15 consecutive trading days immediately preceding the date of conversion.

The Additional Private Placement required the repricing and issuance of additional common stock warrants to the investors in the Company’s February 2012 common stock and warrant financing. The exercise price of these warrants decreased from $10.25 per share to $9.59 per share and the number of shares issuable upon exercise of the warrants increased from 1,387,685 to 1,483,161.

Issuance of Common Stock and Common Stock Warrants

On February 27, 2015, the Company entered into a purchase agreement with Craig-Hallum Capital Group LLC (the “Underwriter”) relating to the Company’s sale and issuance of 3,573,899 shares of the Company’s common stock and corresponding warrants to purchase up to 714,780 shares of the Company’s common stock (the “Offering”). Each share of common stock was sold in combination with a warrant to purchase 0.20 of a share of common stock. The purchase price to the public for each share of common stock and accompanying warrant was $1.95.

The purchase price paid by the Underwriter to the Company for the common stock and accompanying warrants was $1.8135. The net proceeds from the Offering, after deducting the Underwriter’s discount and other estimated Offering expenses, were approximately $6.2 million.

The accompanying warrants are exercisable immediately upon their initial issuance date at an exercise price of $2.24 per share and will expire five years from the date of issuance. The exercise price will also be subject to adjustment in the event of certain stock dividends and distributions, stock splits, stock combinations, reclassifications or similar events affecting our common stock.

The Offering required the repricing and issuance of additional common stock warrants to the investors in the Company’s February 2012 common stock and warrant financing. The exercise price of these warrants decreased from $9.59 per share to $7.56 per share and the number of shares issuable upon exercise of the warrants increased from 1,483,161 to 1,881,396.

Amended Loan and Security Agreement

On April 1, 2015, the Company entered into a sixth amendment to the Loan Agreement. The sixth amendment provides, among other things, that (i) the Lenders will waive specified events of default under the terms of the Loan Agreement, (ii) commencing as of April 1, 2015, the Company will make monthly interest payments to the Lenders, (iii) the Company will not be obligated to make monthly payments of principal to the Lenders until April 1, 2016, (iv) the Company will be required to make an initial prepayment of a portion of the loan balance in the amount of approximately $149,000 on April 1, 2015 and one or more additional prepayments to the Lenders under the Loan Agreement upon the occurrence of certain events, and (v) the Company will not be required to comply with the minimum liquidity ratio under the terms of the Loan Agreement until the earliest to occur of a specified event or March 31, 2016. The sixth amendment also extends the time period in which the Company must provide certain reports and statements to the Lenders and amends the circumstances pursuant to which the Company may engage in certain sales or transfers of its business or property without the consent of the Lenders.