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Supplemental Disclosure of Cash Flow and Non-cash Investing and Financing Activities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Supplemental Cash Flow Elements [Abstract]
Cash paid for interest	$ 3,233	$ 3,269
Income taxes paid	184	157
Non-cash activities:
Purchases of equipment in accounts payable	353	6
Right of use assets arising from operating lease liabilities	(37)	0
Deemed dividends on Series B Preferred Stock	0	926
Fair value of non-cash consideration received for option exercises	0	380
Right of use assets arising from finance lease liabilities	0	189
Note receivable for sale of property and equipment	$ 0	$ 75

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Notes Receivable For Sale Of Property And Equipment

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Future cash outflow to pay for purchases of fixed assets that have occurred.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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