Security Type(s): Equity, Series A Preferred Stock underlying prefunded warrants; Series A Preferred Stock and common stock issuable upon the conversion of Series A Preferred Stock; common stock underlying warrants

Offer Amount: $5,000,000

Remaining: $5,000,000

First Sale: 2023-11-02

Security Type(s): Warrant and common stock underlying warrant at exercise price of $3.24 per share

Amount Sold: $133,476

First Sale: 2022-06-23

Security Type(s): Warrant and common stock underlying warrant at $2.23/share

Offer Amount: $90,998

Amount Sold: $90,998

First Sale: 2022-05-11

Security Type(s): Debt, Note, warrant and common stock issuable at $2.53 per share

Amount Sold: $4,323,840

First Sale: 2020-06-30

Security Type(s): Equity

Offer Amount: $8,000,000

Amount Sold: $1,100,000

Remaining: $6,900,000

First Sale: 2020-03-27

Security Type(s): Equity

Offer Amount: $8,000,000

Amount Sold: $105,000

Remaining: $7,895,000

First Sale: 2020-03-09

Security Type(s): Debt, Convertible Note and Underlying Common Stock

Amount Sold: $750,000

First Sale: 2019-12-31

Security Type(s): Convertible Note and Underlying Common Stock

Offer Amount: $12,000,000

Amount Sold: $10,691,053

Remaining: $1,308,947

First Sale: 2019-07-03

First Sale: 2018-12-26

Security Type(s): Equity, Common Stock

Offer Amount: $5,000,000

Amount Sold: $3,695,010

Remaining: $1,304,990

First Sale: 2018-06-21

Security Type(s): Equity, Common Stock

Offer Amount: $4,000,000

Amount Sold: $3,200,000

Remaining: $800,000

Security Type(s): Equity, Common Stock

Offer Amount: $4,000,000

Remaining: $4,000,000

Security Type(s): Debt, 12% convertible promissory note and common stock issuable upon conversion.

Offer Amount: $2,000,000

Remaining: $2,000,000

First Sale: 2016-05-05

Security Type(s): Equity

Offer Amount: $4,000,000

Amount Sold: $2,325,000

Remaining: $1,675,000

First Sale: 2015-12-22

Security Type(s): Equity, Options to purchase Common Stock issuable upon exercise thereof.

Offer Amount: $219,250

Remaining: $219,250

Security Type(s): Debt, 6% - 8% Secured Convertible Note, common stock and underlying common stock issuable upon conversion of the Note.

Offer Amount: $2,000,000

Remaining: $2,000,000

First Sale: 2014-12-30

Security Type(s): Debt, 8% Secured Convertible Note and underlying common stock issuable upon conversion of the Note.

Offer Amount: $54,000

Amount Sold: $54,000

First Sale: 2014-10-02

Security Type(s): Debt, 8% Secured Convertible Note at conversion price of $0.12, Warrants at exercise price of $0.12, and underlying common stock.

Offer Amount: $1,398,333

Amount Sold: $1,398,333

Security Type(s): Equity, (i) Units consisting of 400,000 shares of Common stock and a warrant for 200,000 shares of Common stock per Unit, and (ii) the underlying Common stock issuable upon exercise of the warrant.

Offer Amount: $3,135,000

Remaining: $3,135,000

First Sale: 2014-06-11

Security Type(s): Equity, Common Stock, warrants for common stock and common stock issuable upon exercise of the warrants.

Offer Amount: $3,474,000

Amount Sold: $3,474,000

First Sale: 2014-01-13

Security Type(s): Equity, Units consisting of 1,000,000 shares of Common Stock and a warrant for 500,000 shares of Common Stock per Unit, Placement Agent Warrants, and the underlying Common Stock issuable upon exercise of the warrants.

Offer Amount: $5,291,460

Amount Sold: $1,944,000

Remaining: $3,347,460

Security Type(s): Equity, Options to purchase Common Stock and Common Stock issuable upon exercise thereof.

Offer Amount: $301,097

Remaining: $301,097

Security Type(s): Units, with each unit consisting of 603,592 shares common stock and 120,718 warrants. Each warrant entitles holder to purchase one share common stock at $0.41/share.

Offer Amount: $2,000,000

Remaining: $2,000,000

First Sale: 2012-06-22

Security Type(s): Equity

Offer Amount: $4,000,000

Amount Sold: $600,000

Remaining: $3,400,000