Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Cash Flows from Operating Activities:
Net loss	$ (15,421)	$ (21,260)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,004	657
Allowance for credit losses	(266)	328
Share-based compensation	3,838	4,455
Non-cash interest expense	322	340
Cost of rental units purchased by customers		92
Changes in certain assets and liabilities:
Accounts receivable, net	(5,456)	(4,013)
Inventory	(7)	(840)
Net investments in sales-type leases	828	102
Prepaid commission expense	(620)	(610)
Prepaid expenses and other assets	(2,762)	1,517
Accounts payable	1,577	(2,256)
Accrued expenses	(6,462)	1,451
Deferred revenue	(622)	(1,095)
Net Cash Used in Operating Activities	(24,047)	(21,132)	$ (30,700)
Cash Flows from Investing Activities:
Purchases of property and equipment and capitalized software	(938)	(2,040)
Repayment of notes receivable	113
Net Cash Used in Investing Activities	(825)	(2,040)
Cash Flows from Financing Activities:
Payments of debt issuance costs	(863)	(90)
Proceeds from issuance of long-term debt	2,500
Repayment of long-term debt	(1,200)
Proceeds from exercises of stock options		52
Net Cash Provided by (Used in) Financing Activities	437	(38)
Net Decrease in Cash and Cash Equivalents	(24,435)	(23,210)
Cash and Cash Equivalents, Beginning of Period	70,340	94,141	94,141
Cash and Cash Equivalents, End of Period	45,905	70,931	$ 70,340
Supplemental disclosure of cash flow information:
Cash paid for interest	2,075	1,638
Transfer of inventory to property and equipment	36	219
Supplemental disclosure of non-cash investing and financing activities:
Purchases of property and equipment and capitalized software in accounts payable and accrued expenses	134	$ 308
Reduction of accounts receivable in current and long-term notes receivable	$ 6,330