CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Statement of Cash Flows [Abstract]
Net loss from continuing operations	$ (21,492,000)	$ (5,114,000)
Adjustment to reconcile net loss from continuing operations to net cash used in operating activities:
Depreciation and amortization	749,000	944,000
Stock-based compensation	4,224,000	1,420,000
Loss (gain) on equity and other investments, net	4,927,000	(111,000)
Operating Lease, Impairment Loss	2,461,000	1,055,000
Foreign currency (gain) loss	23,000	(330,000)
Fair value adjustments to contingent consideration liability	(1,040,000)	(8,600,000)
Net change in certain operating assets and liabilities:
Trade accounts receivable	523,000	2,587,000
Prepaid expenses, operating lease and other assets	2,332,000	3,716,000
Accounts payable	(83,000)	(1,342,000)
Accrued, lease and other liabilities	634,000	(2,777,000)
Net Cash Provided by (Used in) Operating Activities, Continuing Operations	(15,041,000)	(8,083,000)
Cash Provided by (Used in) Operating Activities, Discontinued Operations	0	(2,555,000)
Net Cash Provided by (Used in) Operating Activities	(15,041,000)	(10,638,000)
Cash flows from investing activities:
Purchases of equipment, software, and leasehold improvements	(466,000)	(408,000)
Deconsolidation of subsidiary		0
Net Cash Provided by (Used in) Investing Activities, Continuing Operations	(1,302,000)	(408,000)
Cash Provided by (Used in) Investing Activities, Discontinued Operations	2,048,000	(2,160,000)
Net Cash Provided by (Used in) Investing Activities	746,000	(2,568,000)
Cash flows from financing activities:
Proceeds from issuance of common stock	534,000	0
Proceeds from Issuance of Preferred Stock and Preference Stock	0	10,000,000
Tax payments from shares withheld upon vesting of restricted stock	(186,000)	(26,000)
Proceeds from notes payable and long-term debt	0	2,876,000
Repayments of notes payable and long-term debt	0	(3,922,000)
Other financing activities	0	2,106,000
Net Cash Provided by (Used in) Financing Activities, Continuing Operations	17,962,000	11,034,000
Cash Provided by (Used in) Financing Activities, Discontinued Operations	0	4,945,000
Net Cash Provided by (Used in) Financing Activities	17,962,000	15,979,000
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(498,000)	618,000
Net increase in cash, cash equivalents and restricted cash	3,169,000	3,391,000
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations	28,739,000	25,570,000
Supplemental disclosure of cash flow information:
us-gaap_DeferredIncomeTaxExpenseBenefitcontinuing operations	201,000	(191,000)
Increase (Decrease) in Operating Lease Liability	(3,596,000)	0
Deconsolidation, Gain (Loss), Amount	(1,961,000)	0
Gain (Loss) on Extinguishment of Debt	(2,897,000)	0
Fair value adjustments to contingent consideration liability	(1,040,000)	(8,600,000)
Payment for Contingent Consideration Liability, Financing Activities	(2,500,000)	0
Cash Divested from Deconsolidation	(836,000)
Common Stock
Supplemental disclosure of cash flow information:
Proceeds from Issuance or Sale of Equity	20,114,000	0
Continuing Operations
Supplemental disclosure of cash flow information:
Cash received from income tax refunds	45,000	2,169,000
Cash paid for income taxes	540,000	1,063,000
Decrease in accrued purchases of equipment, software, and leasehold improvements	(48,000)	(44,000)
Noncash or Part Noncash Acquisition, Investments Acquired	0	9,268,000
Discontinued Operations
Supplemental disclosure of cash flow information:
Cash received from income tax refunds	0	33,000
Cash paid for income taxes	0	331,000
Cash paid for interest expense	$ 0	$ 317,000