CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Operating activities
Net (loss) income	$ (3,701)	$ 5,432
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation	471	471
Amortization of intangible assets	430	438
Non-cash lease expense	199	584
Provision for bad debt, net	300	359
Stock-based compensation	144	131
Gain on disposal of discontinued operations	0	(5,224)
Amortization of loan issuance costs	37	50
Write-off of borrowing costs	0	130	$ (4,200)	$ (2,500)
Gain on disposal of MD Office Solutions	0	(847)
(Gain) loss on sale of assets	(96)	34
Gain on Paycheck Protection Program loan forgiveness	0	(1,220)
Deferred income taxes	926	0
Unrealized loss (gain) of equity securities and lumber derivatives	584	(23)
Changes in operating assets and liabilities:
Accounts receivable	(397)	(2,476)
Inventories	(1,762)	(51)
Investments and other assets	144	(782)
Accounts payable	919	258
Accrued compensation	142	1,075
Deferred revenue and billings in excess of costs and estimated profit	220	119
Operating lease liabilities	(185)	(597)
Other liabilities	989	(93)
Net cash used in operating activities	(636)	(2,232)
Investing activities
Purchases of property and equipment	(366)	(449)
Proceeds from sale of discontinued operations	0	18,750
Proceeds from sale of property and equipment	112	14
Purchases of equity securities	(1,070)	0
Proceeds from sales of equity securities	14	0
Net cash (used in) provided by investing activities	(1,310)	18,315
Financing activities
Proceeds from borrowings	25,186	32,088
Repayment of debt	(24,748)	(38,495)
Proceeds from the sale of common stock, warrants, and exercise of over allotment options	13,198	0
Fees paid on issuance of common stock	(450)	0
Proceeds from the exercise of warrants	0	493
Taxes paid related to net share settlement of equity awards	(3)	(6)
Repayment of obligations under finance leases	(154)	(260)
Preferred stock dividends paid	(479)	0
Net cash provided by (used in) financing activities	12,550	(6,180)
Net increase in cash, cash equivalents, and restricted cash including cash classified within current assets held for sale	10,604	9,903
Less: net increase in cash classified within current held for sale	0	(47)
Net increase in cash, cash equivalents, and restricted cash	10,604	9,950
Cash, cash equivalents, and restricted cash at beginning of period	4,816	3,393	3,393
Cash, cash equivalents, and restricted cash at end of period	15,420	13,343	4,816	3,393
Reconciliation of cash, cash equivalents, and restricted cash at end of year
Cash and cash equivalents	15,035	13,175	4,538
Restricted cash	385	168	278
Cash, cash equivalents, and restricted cash at end of period	15,420	13,343	$ 4,816	$ 3,393
Non-Cash Investing Activities
MD Office Solutions Promissory Note Receivable	0	1,385
Non-Cash Financing Activities
Gain on Paycheck Protection Program Loan Forgiveness	$ 0	$ 1,220