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Supplemental Disclosure of Cash Flow and Non-cash Investing and Financing Activities
 9 Months Ended
Sep. 30, 2022
Supplemental Cash Flow Elements [Abstract]  
Supplemental Disclosure of Cash Flow and Non-cash Investing and Financing Activities Supplemental Disclosure of Cash Flow and Non-cash Investing and Financing Activities
Selected cash payments, receipts, and non-cash activities are as follows (in thousands):
Nine Months Ended September 30,
 20222021
Cash paid for interest$3,233 $3,269 
Income taxes paid184 157 
Non-cash activities:
Purchases of equipment in accounts payable353 6 
Right of use assets arising from operating lease liabilities(37)— 
Deemed dividends on Series B Preferred Stock— 926 
Fair value of non-cash consideration received for option exercises— 380 
Right of use assets arising from finance lease liabilities— 189 
Note receivable for sale of property and equipment— 75