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Supplemental Disclosure of Cash Flow and Non-Cash Investing and Financing Activities (Tables)
 12 Months Ended
Dec. 31, 2022
Supplemental Cash Flow Elements [Abstract]  
Schedule of Selected Cash Payments, Receipts, and Non-Cash Activities
Selected cash payments, receipts, and non-cash activities are as follows (in thousands):
Years Ended December 31,
 202220212020
Cash paid for interest$4,569 $4,327 $7,456 
Income taxes paid181 169 208 
Cash paid for operating leases1,567 1,522 1,569 
Non-cash activities:
Purchases of equipment included in accounts payable417 8 1,062 
Lease right of use asset and liability(37)2,251 1,169 
Deemed dividends of Series B Preferred Stock— 926 32,028 
Fair value of non-cash consideration received for option exercise— 380 922 
Note receivable for sale of property and equipment— 75 — 
Amendment fee on previous term loan— — 722 
Deferred financing costs— — 53