Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (9,186)	$ (14,030)
Adjustments to reconcile net loss to net cash used in operating activities:
Change in fair value of derivative financial instruments	(5,489)
Stock-based compensation expense	2,022	3,896
Common stock issued for services	34
Foreign exchange loss (gain)	907	(26)
Depreciation expense	74	84
Amortization expense	141	153
Goodwill impairment	757
Provision (reversal) for doubtful Accounts		(19)
Provision for (reversal of) inventory reserve	(37)
Non-cash operating lease expense	38	46
Changes in operating assets and liabilities:
Accounts receivable	43	70
Other receivables	(24)	(19)
Inventory, net	(97)	(149)
Prepaid expense and other current assets	159	(67)
Operating lease liability	(31)	(47)
Accounts payable	(472)	270
Accrued liabilities	(881)	(38)
Deferred revenue	(125)	(49)
Net cash used in operating activities	(12,167)	(9,925)
Cash flows from investing activities:
Purchase of property and equipment	(19)	(49)
Proceeds from sale of property and equipment	6
Internally developed software		(2)
Net cash used in investing activities	(13)	(51)
Cash flows from financing activities:
Proceeds from issuances of common stock	18,644	11,614
Share issuance costs	(775)	(1,581)
Proceeds from exercise of warrants and stock options		1,320
Net cash provided by financing activities	17,869	11,353
Effect of currency exchange rate changes on cash, cash equivalents and restricted cash	(6)	(8)
Net increase in cash, cash equivalents and restricted cash	5,683	1,369
Cash, cash equivalents and restricted cash at beginning of period	11,005	3,331
Cash, cash equivalents and restricted cash at end of period	16,688	4,700
Supplemental cash flow information
Cash paid for interest (share issuance costs allocated to derivative liability)	927
Non-cash investing and financing transactions
Right-of-use assets obtained in exchange for new lease liabilities	$ 151
Non-cash share issuance costs		476
Share issuance costs included in accrued liabilities		$ 189