15. SUBSEQUENT EVENTS	6 Months Ended
Sep. 30, 2014
Segment Reporting [Abstract]
SUBSEQUENT EVENTS	15. SUBSEQUENT EVENTS Management has evaluated events subsequent to September 30, 2014 through the date that the accompanying condensed consolidated financial statements were filed with the Securities and Exchange Commission for transactions and other events which may require adjustment of and/or disclosure in such financial statements. Government Contracts Subsequent to September 30, 2014, we collected $247,361 under our DARPA contract, and under the Battelle subcontract we billed $9,595 and we collected $11,311. Debt Reduction Subsequent to September 30, 2014, we paid off the remaining principal and interest balances on the two remaining July & August 2011 10% Convertible Notes, which had been classified as being in default, with cash payments totaling $382,748 (see Note 5). Subsequent to September 30, 2014, we paid off in full the outstanding principal balance and interest balance on the Law Firm Note with a cash payment of $50,000 and an issuance of 170,020 common shares (see Note 5). Common Stock Issuances Subsequent to September 30, 2014, we issued 317,119 shares of common stock pursuant to our S-8 registration statement covering our Amended 2010 Stock Plan at an average price of $0.124 per share in payment for legal and scientific consulting services valued at $39,170 based on the value of the services provided. Equity Unit Investments Subsequent to September 30, 2014, we issued and sold to eight accredited investors units (the “Units”) consisting of (a) one hundred thousand (100,000) restricted shares of the Registrant’s common stock, par value $.001 per share (the “Common Stock”), at prices per share ranging from $0.105 to $0.114 and (b) a five-year warrant to purchase fifty thousand (50,000) shares of Common Stock at exercise prices ranging from $0.154 to $0.167 per share (the “Unit Warrants”). In total, the investors purchased for cash an aggregate of $501,700 of Units. The investors acquired an aggregate of 4,506,250 shares of Common Stock and Unit Warrants to acquire up to an aggregate of 2,253,125 shares of Common Stock. Subsequent to September 30, 2014, we issued to an accredited investor Units consisting of an aggregate of 1,835,798 shares of Common Stock and Unit Warrants to acquire up to an aggregate of 1,837,798 shares of Common Stock at an exercise price of $0.103 per share. The Units were issued to the investor upon the conversion of an aggregate of $189,087 of unpaid principal and accrued interest due under two promissory notes (the remaining October & November 2009 10% Convertible Note and the April 2010 10% Convertible Note – see Note 5) previously issued to the investor by the Registrant. The amounts converted represented the entire principal and interest outstanding under the notes and the notes held by that holder were retired. Warrant Exercises and Issuance of New Warrants Upon Exercise Subsequent to September 30, 2014, we issued an aggregate of 5,671,119 shares of Common Stock and seven-year warrants (the “Exchange Warrants”) to issue up to an aggregate of 5,671,119 shares of Common Stock at exercise prices ranging from $0.093 to $0.116 per share to eight accredited investors. One of the investors is Dr. Chetan Shah, a director of the Registrant. The Common Stock and Exchange Warrants were issued to the investors upon the cash exercise of previously issued warrants held by them. The investors paid an aggregate of $579,251 upon exercise of the previously outstanding warrants at exercise prices ranging from $0.093 to $0.115 per share. The foregoing transaction was privately negotiated with the group of participating warrant holders. Note Conversions Subsequent to September 30, 2014, we issued an aggregate of 3,522,976 shares of Common Stock to two accredited investors upon the conversion of an aggregate of $147,965 of unpaid principal and accrued interest due under promissory notes previously issued to the investors by the Registrant. The conversion price per share was $0.042 Warrant Exercises Subsequent to September 30, 2014, we issued an aggregate of 16,423,131 shares of Common Stock to three accredited investors upon the exercise of warrants previously issued with an exercise price of $0.042 per share. The warrants were exercised on a cashless or “net” basis. Accordingly, we did not receive any proceeds from such exercises. The cashless exercise of such warrants resulted in the cancellation of previously issued warrants to purchase an aggregate of 20,050,643 shares of Common Stock. Issuance of Convertible Notes Subsequent to September 30, 2014, we entered into a Subscription Agreement with two accredited investors providing for the issuance and sale of (i) convertible promissory notes in the aggregate principal amount of $527,780 and (ii) five year warrants to purchase up to 2,356,160 shares of Common Stock at a fixed exercise price of $0.168 per share. The convertible promissory notes bear interest at the annual rate of 10% and mature on April 1, 2016. The aggregate gross cash proceeds to us were $415,000 after subtracting legal fees of $35,000; the balance of the principal amount of the notes represents a $27,780 due diligence fee and an original issuance discount. The convertible promissory notes are convertible at the option of the holders into shares of our common stock at a fixed price of $0.112 per share, for up to an aggregate of 4,712,321 shares of Common Stock. There are no registration requirements with respect to the shares of common stock underlying the notes or the warrants.

15. SUBSEQUENT EVENTS

6 Months Ended

Sep. 30, 2014

15. SUBSEQUENT EVENTS

Management has evaluated events subsequent to September 30, 2014 through the date that the accompanying condensed consolidated financial statements were filed with the Securities and Exchange Commission for transactions and other events which may require adjustment of and/or disclosure in such financial statements.

Government Contracts

Subsequent to September 30, 2014, we collected $247,361 under our DARPA contract, and under the Battelle subcontract we billed $9,595 and we collected $11,311.

Debt Reduction

Subsequent to September 30, 2014, we paid off the remaining principal and interest balances on the two remaining July & August 2011 10% Convertible Notes, which had been classified as being in default, with cash payments totaling $382,748 (see Note 5).

Subsequent to September 30, 2014, we paid off in full the outstanding principal balance and interest balance on the Law Firm Note with a cash payment of $50,000 and an issuance of 170,020 common shares (see Note 5).

Common Stock Issuances

Subsequent to September 30, 2014, we issued 317,119 shares of common stock pursuant to our S-8 registration statement covering our Amended 2010 Stock Plan at an average price of $0.124 per share in payment for legal and scientific consulting services valued at $39,170 based on the value of the services provided.

Equity Unit Investments

Subsequent to September 30, 2014, we issued and sold to eight accredited investors units (the “Units”) consisting of (a) one hundred thousand (100,000) restricted shares of the Registrant’s common stock, par value $.001 per share (the “Common Stock”), at prices per share ranging from $0.105 to $0.114 and (b) a five-year warrant to purchase fifty thousand (50,000) shares of Common Stock at exercise prices ranging from $0.154 to $0.167 per share (the “Unit Warrants”). In total, the investors purchased for cash an aggregate of $501,700 of Units. The investors acquired an aggregate of 4,506,250 shares of Common Stock and Unit Warrants to acquire up to an aggregate of 2,253,125 shares of Common Stock.

Subsequent to September 30, 2014, we issued to an accredited investor Units consisting of an aggregate of 1,835,798 shares of Common Stock and Unit Warrants to acquire up to an aggregate of 1,837,798 shares of Common Stock at an exercise price of $0.103 per share. The Units were issued to the investor upon the conversion of an aggregate of $189,087 of unpaid principal and accrued interest due under two promissory notes (the remaining October & November 2009 10% Convertible Note and the April 2010 10% Convertible Note – see Note 5) previously issued to the investor by the Registrant. The amounts converted represented the entire principal and interest outstanding under the notes and the notes held by that holder were retired.

Warrant Exercises and Issuance of New Warrants Upon Exercise

Subsequent to September 30, 2014, we issued an aggregate of 5,671,119 shares of Common Stock and seven-year warrants (the “Exchange Warrants”) to issue up to an aggregate of 5,671,119 shares of Common Stock at exercise prices ranging from $0.093 to $0.116 per share to eight accredited investors. One of the investors is Dr. Chetan Shah, a director of the Registrant. The Common Stock and Exchange Warrants were issued to the investors upon the cash exercise of previously issued warrants held by them. The investors paid an aggregate of $579,251 upon exercise of the previously outstanding warrants at exercise prices ranging from $0.093 to $0.115 per share. The foregoing transaction was privately negotiated with the group of participating warrant holders.

Note Conversions

Subsequent to September 30, 2014, we issued an aggregate of 3,522,976 shares of Common Stock to two accredited investors upon the conversion of an aggregate of $147,965 of unpaid principal and accrued interest due under promissory notes previously issued to the investors by the Registrant. The conversion price per share was $0.042

Warrant Exercises

Subsequent to September 30, 2014, we issued an aggregate of 16,423,131 shares of Common Stock to three accredited investors upon the exercise of warrants previously issued with an exercise price of $0.042 per share. The warrants were exercised on a cashless or “net” basis. Accordingly, we did not receive any proceeds from such exercises. The cashless exercise of such warrants resulted in the cancellation of previously issued warrants to purchase an aggregate of 20,050,643 shares of Common Stock.

Issuance of Convertible Notes

Subsequent to September 30, 2014, we entered into a Subscription Agreement with two accredited investors providing for the issuance and sale of (i) convertible promissory notes in the aggregate principal amount of $527,780 and (ii) five year warrants to purchase up to 2,356,160 shares of Common Stock at a fixed exercise price of $0.168 per share. The convertible promissory notes bear interest at the annual rate of 10% and mature on April 1, 2016. The aggregate gross cash proceeds to us were $415,000 after subtracting legal fees of $35,000; the balance of the principal amount of the notes represents a $27,780 due diligence fee and an original issuance discount. The convertible promissory notes are convertible at the option of the holders into shares of our common stock at a fixed price of $0.112 per share, for up to an aggregate of 4,712,321 shares of Common Stock. There are no registration requirements with respect to the shares of common stock underlying the notes or the warrants.