Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash Flows From Operating Activities:
Net loss	$ (4,478,000)	$ (4,273,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	126,000	112,000
Income tax benefit	(330,000)	0
Change in fair value of contingent consideration	135,000	0
Right of use asset	82,000	45,000
Depreciation	32,000	18,000
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(447,000)	390,000
Accounts payable	(440,000)	13,000
Accrued expenses	568,000	(513,000)
Accrued employee benefits	(758,000)	(645,000)
Lease liability	(100,000)	(49,000)
Net Cash Used In Operating Activities	(5,610,000)	(4,902,000)
Cash Flows from Investing Activities
Purchase of property and equipment	(8,000)	0
Cash paid for business combination, net of cash acquired	0	(3,863,000)
Pre-acquisition loan to VCN	0	(417,000)
Net Cash Used in Investing Activities	(8,000)	(4,280,000)
Cash Flows from Financing Activities
Payment of debt	(55,000)	(1,376,000)
Net Cash Provided by Financing Activities	(55,000)	(1,376,000)
Effects of exchange rate changes on cash and cash equivalents	(35,000)	28,000
Net decrease in cash and cash equivalents and restricted cash	(5,708,000)	(10,530,000)
Cash and cash equivalents and restricted at the beginning of this period	41,884,000	67,325,000
Cash and cash equivalents and restricted cash at the end of this period	36,176,000	56,795,000
Reconciliation of cash, cash equivalents, and restricted cash reported in the statement of financial position
Cash and cash equivalents	36,076,000	56,692,000
Restricted cash included in other long-term assets	100,000	103,000
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	36,176,000	56,795,000
Supplemental non-cash investing and financing activities:
Right of use assets obtained in exchange for lease liabilities	937,000	0
Fair value of contingent consideration in a business combination	0	12,158,000
Fair value of equity issued as consideration in a business combination	0	6,599,000
Effective settlement of pre-closing VCN financing	$ 0	$ 417,000