Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Unaudited Condensed Consolidated Statements of Cash Flows
Net loss	$ (5,151)	$ (3,171)
Adjustment to reconcile net loss to net cash used in operating activities:
Stock based compensation - services	17	508
Stock based compensation - prepaid	0	74
Stock issued from equity incentive plan	0	138
Gain from settlement of accounts payable	(82)	0
Gain from extinguishment of debt	0	(399)
Change in fair value of contingent share consideration	(846)	(662)
Change in fair value of convertible promissory notes	280	(1,032)
Impairment of goodwill	2,728	0
Depreciation and amortization	999	663
Amortization of right of use asset	0	24
Bad debt expenses	0	5
Recovery of bad debt expense	0	(221)
Loss on disposal of property, plant and equipment	0	41
Inventory reserve for obsolescence	12	(1)
Change of fair value in derivative liabilities	0	0
Fair value of vested stock options and restricted stock	455	1,105
Warrant granted for broker fee expense	0	0
Change in operating assets and liabilities:
Accounts receivable	(112)	(49)
Inventory	66	(353)
Prepaid expenses and other assets	47	614
Other assets	0	(27)
Accounts payable	358	253
Accrued expenses	(587)	1,069
Finance lease payable	(3)	(3)
Operating lease payable	0	(22)
Contract liabilities	(15)	(329)
License fees	0	0
Cash used in operating activities	(1,834)	(1,775)
Cash flows from investing activities
Investment in company	0	0
Purchase of intangible assets	0	(54)
Net cash acquired from acquisition of Sera Labs, Inc.	0	0
Acquisition of property and equipment, net	0	(7)
Purchase of note receivable	0	0
Collection of note receivable	0	200
Cash provided by (used in) investing activities	0	139
Cash flows from financing activities
Proceeds from convertible notes payable	0	0
Proceeds from loans payable	0	0
Proceeds from exercise of warrants	0	0
Proceeds from notes payable	2,252	500
Proceeds from related party payable	190	0
Proceeds from payroll protection program loan	0	0
Repayment of notes payable	0	0
Repayment of related party payable	0	0
Repayment of loans payable	(93)	(109)
Cash provided by financing activities	2,349	391
Net increase (decrease) in cash and cash equivalents	515	(1,245)
Cash and cash equivalents, beginning of year	16	1,725
Cash and cash equivalents, end of year	531	480
Cash paid for interest and income taxes:
Interest	42	12
Income taxes	0	0
Non-cash investing and financing activities:
Common stock issued for conversion of promissory notes and accrued interest	$ 666	$ 0