Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 55,443	$ 70,340
Accounts receivable, net	9,452	13,591
Inventory	9,142	8,899
Current portion of net investments in sales-type leases	1,257	1,538
Current portion of prepaid commission expense	2,097	1,997
Current portion of note receivables	1,498	230
Prepaid expenses and other current assets	2,218	2,174
Total current assets	81,107	98,769
Property and equipment, net	1,990	1,991
Operating lease right-of-use assets	3,193	3,327
Net investments in sales-type leases	989	1,222
Prepaid commission expense	7,643	7,568
Long-term note receivable	5,189	362
Other assets	3,493	3,645
Total Assets	103,604	116,884
Current liabilities:
Accounts payable	4,970	2,433
Accrued expenses	7,440	14,837
Deferred revenue	1,891	1,980
Current portion of operating lease liabilities	829	824
Current portion of long-term debt, net		13,125
Total current liabilities	15,130	33,199
Long-term debt, net	36,641	22,829
Deferred revenue	671	829
Operating lease liabilities	2,817	2,967
Total Liabilities	55,259	59,824
Commitments and contingencies (Note 17)
Stockholders' Equity:
Preferred stock, $0.01 par value: 10,000 shares authorized; no shares issued or outstanding on March 31, 2023 and December 31, 2022
Common stock, $0.01 par value: 200,000 shares authorized; 28,465 and 27,268 shares issued and outstanding on March 31, 2023 and December 31, 2022, respectively	285	273
Additional paid-in capital	404,472	402,679
Accumulated deficit	(356,412)	(345,892)
Total Stockholders' Equity	48,345	57,060
Total Liabilities and Stockholders' Equity	$ 103,604	$ 116,884