CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from Operating Activities (Net of business combinations):
Net loss	$ (7,421)	$ (7,761)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,140	1,321
Bad debt expense	168	11
Amortization of debt discount	56	90
Amortization of right-of-use assets	1,001	0
Fees paid with common stock	58	0
Gain on extinguishment of debt	(3,117)	0
Stock-based compensation	198	110
Impairment charges on property and equipment	144	63
Impairment charges on right-of use assets	465	0
Impairment charges on goodwill	541	2,254
Changes in assets and liabilities:
Accounts receivable	(792)	780
Prepaid expenses and other current assets	273	301
Inventory	820	19
Other assets	(35)	495
Accounts payable	(335)	129
Accrued expenses and other liabilities	(415)	(692)
Deferred revenue	(178)	(373)
Operating lease liability	(1,134)	0
Other long-term liabilities	(3)	0
Net cash used in operating activities	(6,566)	(3,253)
Cash flows from Investing Activities:
Proceeds on sale of equipment	7	0
Cash acquired through Oblong Industries merger	0	2,194
Purchases of property and equipment	(38)	(45)
Net cash (used in) provided by investing activities	(31)	2,149
Cash flows from Financing Activities:
Principal payments under borrowing arrangement	(2,500)	0
Advances on borrowing arrangements	0	0
Proceeds from new loan agreement	2,417	0
Proceeds from issuance of common stock, net of offering costs of $602	7,371	0
Tax obligations relating to the vesting of shares	(16)	0
Proceeds from Series E preferred stock	0	3,750
Purchase of treasury stock	0	(51)
Net cash provided by financing activities	7,272	3,699
Net increase in cash and restricted cash	675	2,595
Cash at beginning of year	4,602	2,007
Cash and restricted cash at end of year	5,277	4,602
Supplemental disclosures of cash flow information:
Cash paid during the period for interest	213	105
Reconciliation of cash and restricted cash
Total cash and restricted cash	5,277	2,007
Non-cash investing and financing activities:
Issuance of preferred stock in exchange for accrued dividends	99	0
Transfer of assets from inventory to property and equipment	78	0
Issuance of common stock warrant	0	72
Issuance of Series D stock for acquisition of Oblong Industries	0	18,862
Accrued preferred stock dividends	17	27
Issuance of common stock for vested restricted stock units	$ 0	$ 382