Supplemental Disclosure of Cash Flow and Non-Cash Investing and Financing Activities (Tables)

3 Months Ended

Mar. 31, 2022

Supplemental Cash Flow Elements [Abstract]

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):

	Three Months Ended March 31,
	2022		2021
Cash paid for interest	$	1,034	$	1,094
Income taxes paid	—		4
Non-cash activities:
Right of use assets arising from operating lease liabilities	(37)		—
Right of use assets arising from finance lease liabilities	—		189
Note receivable for sale of property and equipment	—		75
Purchases of equipment in accounts payable	287		159
Fair value of non-cash consideration received for option exercise	—		380
Deemed dividends on Series B Preferred Stock	—		462