Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Cash Flows from Operating Activities:
Net loss	$ (10,520)	$ (10,838)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	516	319
Share-based compensation	1,805	2,252
Non-cash interest expense	188	164
Changes in certain assets and liabilities:
Accounts receivable, net	(2,007)	(545)
Inventory	(243)	(1,021)
Net investments in sales-type leases	535	389
Prepaid commission expense	(175)	(295)
Prepaid expenses and other assets	131	801
Accounts payable	2,484	(2,226)
Accrued expenses	(7,680)	(447)
Deferred revenue	(247)	(735)
Net Cash Used in Operating Activities	(15,213)	(12,182)	$ (30,700)
Cash Flows from Investing Activities:
Purchases of property and equipment and capitalized software	(234)	(1,074)
Repayment of notes receivable	51
Net Cash Used in Investing Activities	(183)	(1,074)
Cash Flows from Financing Activities:
Payments of debt issuance costs	(801)	(57)
Proceeds from issuance of long-term debt	2,500
Repayment of long-term debt	(1,200)
Proceeds from exercises of stock options		9
Net Cash Provided by (Used in) Financing Activities	499	(48)
Net Decrease in Cash and Cash Equivalents	(14,897)	(13,304)
Cash and Cash Equivalents, Beginning of Period	70,340	94,141	94,141
Cash and Cash Equivalents, End of Period	55,443	80,837	$ 70,340
Supplemental disclosure of cash flow information:
Cash paid for interest	1,064	814
Transfer of inventory to property and equipment		33
Supplemental disclosure of non-cash investing and financing activities:
Purchases of property and equipment and capitalized software in accounts payable and accrued expenses	52	$ 685
Reduction of accounts receivable in current and long-term note receivable	$ 6,146