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Convertible Notes (Tables)
12 Months Ended
Dec. 31, 2022
Debt Instrument [Line Items]  
Summary of Convertible Notes and Debt Discounts

The convertible notes and debt discounts consisted of the following on December 31, 2021:

 

 

 

 

December 31,

 

($ in thousands)

 

 

 

2021

 

Dow Notes

 

 

 

$

1,620

 

Union Carbide Notes

 

 

 

 

1,080

 

IBT & David Humes Notes

 

 

 

 

114

 

Investor Notes

 

 

 

 

104

 

Unamortized debt discount

 

 

 

 

(359

)

 

 

 

 

 

2,559

 

Less current portion

 

 

 

 

(2,378

)

 

 

 

 

$

181

 

The following notes were converted:

($ in thousands)

 

 

 

 

 

Dow Notes

 

 

 

$

2,340

 

Union Carbide Notes

 

 

 

 

1,560

 

IBT & David Humes Notes

 

 

 

 

210

 

Investor Notes

 

 

 

 

526

 

 

 

 

 

$

4,636

 

Dow Notes [Member]  
Debt Instrument [Line Items]  
Summary of Issued Convertible Note Agreements

The Company had issued convertible note agreements to the Dow Employee’s Pension Plan Trust (Dow Notes) in the following amounts (in thousands):

Issue

 

 

 

 

Maturity

Date

 

Amount

 

 

Date

June 2021

 

$

300

 

 

December 2022

September 2021

 

 

840

 

 

December 2024

October 2021

 

 

240

 

 

December 2024

November 2021

 

 

240

 

 

December 2024

March 2022

 

 

120

 

 

March 2024

April 2022

 

 

480

 

 

April 2025

April 2022

 

 

120

 

 

April 2025

 

 

$

2,340

 

 

 

Union Carbide Notes [Member]  
Debt Instrument [Line Items]  
Summary of Issued Convertible Note Agreements

The Company had issued convertible note agreements to the Union Carbide Employee Pension Plan Trust (Union Carbide Notes) in the following amounts (in thousands):

Issue

 

 

 

 

Maturity

Date

 

Amount

 

 

Date

 

 

 

 

 

 

June 2021

 

$

200

 

 

December 2022

September 2021

 

 

560

 

 

December 2024

October 2021

 

 

160

 

 

December 2024

November 2021

 

 

160

 

 

December 2024

March 2022

 

 

80

 

 

March 2024

April 2022

 

 

320

 

 

April 2025

April 2022

 

 

80

 

 

April 2025

 

 

$

1,560