Item 2. Unregistered Sales of Equity Securities
ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS
 
STS Acquisition
 
As previously disclosed under Item 3.02 in the Company’s Current Report on Form 8-K filed with the SEC on June 17, 2022, as part of the purchase price the Company issued to the sellers of STS 798,666 unregistered shares of the Company’s common stock, valued at $2,000,000. The stock consideration paid to the sellers was issued pursuant to an exemption under Section 4(a)(2) of the Securities Act of 1933, as amended, and/or Regulation D, as promulgated thereunder.
 
2023 Promissory Notes with Warrants
 
As previously disclosed under Item 3.02 in the Company’s Current Report on Form 8-K filed with the SEC on January 18, 2023, the Company entered into a securities purchase agreement with certain accredited investors, pursuant to which the Company agreed to issue and sell to the investors in a private placement transaction (i) up to $15,000,000 in aggregate principal amount of senior secured promissory notes, and (ii) warrants to purchase up to an aggregate of 7,500,000 shares of common stock of the Company.  In connection with the initial closing on January 18, 2023, the Company issued $12,500,000 in aggregate principal amount of notes and warrants to purchase 6,250,000 shares of Common Stock, resulting in proceeds to the Company of $12,500,000 before reimbursement of expenses.
 
Use of Proceeds
 
We have generated losses since our inception and have relied on cash on hand, external bank lines of credit, short-term borrowing arrangements, issuance of debt, the sale of a note, sale of our non-core subsidiaries, and the sale of common stock to provide cash for operations. We attribute losses to financing costs, public company corporate overhead, lower than expected revenue, and lower gross profit of some of our subsidiaries. Our proceeds have been primarily used for research and development, legal, financing costs, acquisition costs and sales and marketing expenses related to new product development and our strategic shift to develop and promote the capabilities of our technology offerings.
 
New Registered Direct Warrants
 
On July 25, 2023, we entered into a letter agreement with an institutional investor in connection with the Registered Direct Warrants. Pursuant to the letter agreement, we agreed to issue to the institutional investor 2,850,000 unregistered warrants (the "2023 Private Warrants") to purchase shares of our common stock in exchange for the imposition of volume and trading restrictions on the 6,872,853 shares of common stock issued to the institutional investor in connection with exercise of the 2023 Private Warrants. The 2023 Private Warrants terminate on January 25, 2029, and are exercisable after issuance only for cash. The 2023 Private Warrants have an exercise price of $3.25 per share. The shares of common stock underlying the 2023 Private Warrants have been registered for resale on Form S-3.
 
ITEM 3. DEFAULTS UPON SENIOR SECURITIES
 
None.
 
ITEM 4. MINE SAFETY DISCLOSURES
 
Not applicable.
 
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