
		September 30, 2021				December 31, 2020
	Interest Rate	Principal Amount		Carrying Amount*		Principal Amount		Carrying Amount*
Vendor Note Payable	0.25%-4%	$	75	$	75	$	105	$	105
Small Business Association Paycheck Protection Program	1.0%	342		342		460		463
Promissory Note		—		—		—		—
Total		$	417	417		$	565	568
Less: Current portion				(417)				(568)
Long-term Note, less current portion				$	—			$	—

The Company had various debt instruments outstanding as of September 30, 2020. As of September 30, 2020, the total principal amount outstanding was $15.6 million, and the carrying amount, net of debt discounts arising from beneficial conversion features and including accrued interest, was $12.8 million. These debt instruments were either converted into common stock of the Company or repaid on or prior to their scheduled maturity dates in the year ended December 31, 2020.

In the nine months ended September 30, 2020, the Company received aggregate gross proceeds of $2.0 million from the issuance of convertible notes to YA II PN, Ltd. (“YA PN II,”) pursuant to a previous securities purchase agreement.

In the three months ended September 30, 2020, the Company recorded interest expense related to these debt instruments of $2.0 million, including amortization of the beneficial conversion features of $1.7 million. In the nine months ended September 30, 2020, the Company recorded interest expense related to these debt instruments of $14.2 million, including amortization of the beneficial conversion features of $13.2 million.

On January 4, 2021, the Company executed a security purchase agreement with YA II PN, whereby the Company issued a convertible note of $37.5 million, and received aggregate gross proceeds of $37.5 million. The note was scheduled to mature on July 4, 2021 and bore interest at an annual rate of 4.0%, which would increase to 18.0% in the event of default. The note had a fixed conversion price of $2.00. The conversion price was not subject to adjustment except for subdivisions or combinations of common stock. The Company had the right, but not the obligation, to redeem a portion or all amounts outstanding under this note prior to the maturity date at a cash redemption price equal to the principal to be redeemed, plus accrued and unpaid interest. The note contained customary events of default, indemnification obligations of the Company and other obligations and rights of the parties.

During the nine months ended September 30, 2021, the note, plus accrued and unpaid interest, was converted into 18.8 million shares of common stock of the Company. Total interest expense recognized was $0 and $25,479 for the three and nine months ended September 30, 2021, respectively.

On January 15, 2021, the Company executed a security purchase agreement with YA II PN, whereby the Company issued a convertible note of $37.5 million, and received aggregate proceeds of $37.5 million. The note was scheduled to mature on July 15, 2021 and bore interest at an annual rate of 4.0%, which would increase to 18.0% in the event of default. The note had a fixed conversion price of $3.31. The conversion price was not subject to adjustment except for subdivisions or combinations of common stock. The Company had the right, but not the obligation, to redeem a portion or all amounts outstanding under this note prior to the maturity date at a cash redemption price equal to the principal to be redeemed, plus accrued and unpaid interest. The note contained customary events of default, indemnification obligations of the Company and other obligations and rights of the parties.

During the nine months ended September 30, 2021, the note, plus accrued and unpaid interest, were converted into 11.3 million shares of common stock of the Company. Total interest expense recognized was $0 and $46,301 for the three and nine months ended September 30, 2021, respectively.

On January 28, 2021, the Company executed a security purchase agreement with YA II PN, whereby the Company issued a convertible note of $65.0 million, and received aggregate proceeds of $65.0 million. The note was scheduled to mature on July 28, 2021 and bore interest at an annual rate of 4.0%, which would increase to 18.0% in the event of default. The note had a fixed conversion price of $4.12. The conversion price was not subject to adjustment except for subdivisions or combinations of common stock. The Company had the right, but not the obligation, to redeem a portion or all amounts outstanding under this note prior to the maturity date at a cash redemption price equal to the principal to be redeemed, plus accrued and unpaid interest. The note contained customary events of default, indemnification obligations of the Company and other obligations and rights of the parties.

During the nine months ended September 30, 2021, the note, plus accrued and unpaid interest, were converted into 15.8 million shares of common stock of the Company. Total interest expense recognized was $0 and $53,699 for the three and nine months ended September 30, 2021.

On February 8, 2021, the Company executed a security purchase agreement with YA II PN, whereby the Company issued a convertible note of $80.0 million, and received aggregate proceeds of $80.0 million. The note is scheduled to mature on August 8, 2021 and bears interest at an annual rate of 4.0%, which increases to 18.0% in the event of default. The note has a fixed conversion price of $4.95. The conversion price is not subject to adjustment except for subdivisions or combinations of common stock. The Company has the right, but not the obligation, to redeem a portion or all amounts outstanding under this note prior to the maturity date at a cash redemption price equal to the principal to be redeemed, plus accrued and unpaid interest. The note contains customary events of default, indemnification obligations of the Company and other obligations and rights of the parties.

During the nine months ended September 30, 2021, the Company repaid the note and accrued interest $81.6 million. Total interest expense recognized was $0.3 million and $1.5 million for the three and nine months ended September 30, 2021.

On May 13, 2020, DBOT entered into a settlement agreement with a vendor whereby the existing agreement with the vendor was terminated, the vendor ceased to provide services, and all outstanding amounts were settled. In connection with this agreement, DBOT paid an initial $30,000 and executed an unsecured promissory note in the amount of $60,000, bearing interest at 0.25% per annum, and payable in two installments of $30,000. The first installment was due on December 31, 2020 and was repaid. The remaining payment is due on August 31, 2021and was repaid.

In the three months ended March 31, 2020, the Company ceased to use the premises underlying one lease and vacated the real estate. In the three months ended June 30, 2020, the Company completed negotiations with the landlord to settle the remaining operating lease liability of $0.9 million by issuing a promissory note for $0.1 million, bearing an annual interest rate of 4.0%, and which is due and payable on December 31, 2021.

On Apr 10, 2020, the Company borrowed $0.3 million at an annual rate of 1.0% from a commercial bank through the Small Business Association Paycheck Protection Program. The loan was originally payable in 18 installments of $18,993 commencing on November 10, 2020, with a final payment due on April 10, 2022. With several amendments, the loan is currently payable monthly commencing on September 10, 2021, with a final payment due on April 10, 2025. The forgiveness application of the loan was submitted in August 2021 and the first payment was made on October 10, 2021 for the payment due on September 10 2021 while the forgiveness application is under review.

On May 1, 2020 Grapevine borrowed $0.1 million at an annual rate of 1.0% from a commercial bank through the Small Business Association Paycheck Protection Program. The loan was originally payable in 18 installments of approximately $7,000 commencing on December 1, 2020, with a final payment due on May 1, 2022. With several amendments, the loan was payable commencing on October 1, 2021, with a final payment due on April 10, 2025. On April 20, 2021, the Company completed the disposal of Grapevine and the loan balance was deconsolidated from consolidated balance sheet.

On May 3, 2020 WAVE borrowed $0.3 million at an annual rate of 1.0% from a commercial bank through the Small Business Association Paycheck Protection Program. The loan was originally payable in 18 installments of $12,630 commencing on November 1, 2020, with a final payment due on May 3, 2022. After the issuance of an additional grace period, payments will commence on September 21, 2021 until the original maturity date of May 3, 2022. The loan and the accrued interest were forgiven and paid by the U.S. Small Business Administration according to the notice received from the bank on September 16, 2021. The Company recorded it as the "Gain on extinguishment of debt" on the condensed consolidated statement of operations.

On February 24, 2021 US Hybrid borrowed $0.5 million at an annual rate of 1.0% from a commercial bank through the Small Business Association Paycheck Protection Program. The loan has a maturity date of February 24, 2026. After the issuance a 10 months grace period was initiated, and payments will commence on March 10, 2022 and will continue until the maturity date. US Hybrid used the loan for qualifying expenses. The loan was forgiven in June 2021 and was accounted for in conjunction with the acquisition accounting in Note 6.

Total interest expense recognized was $851 and $2,899 in the three and nine months ended September 30, 2021, respectively for the Small Business Association Paycheck Protection Program.