Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 10,663	$ 19,818
Restricted cash - current	350	525
Accounts receivable, net of allowance of $661 and $672 at 2024 and 2023, respectively	7,921	3,822
Inventories, net	9,009	8,426
Prepaid expenses and other current assets	869	676
Total current assets	28,812	33,267
Property and equipment, net	3,733	3,304
Goodwill	4,494
Intangible assets	8,162
Restricted cash		219
Operating lease right-of-use assets	5,618	4,982
Prepaid and other non-current assets	116	137
Total assets	50,935	41,909
Current liabilities:
Accounts payable	6,403	3,190
Accrued liabilities	3,376	2,972
Deferred revenue	5,092	6,657
Current contingent consideration	5,298
Current portion of operating lease liabilities	552	428
Total current liabilities	20,721	13,247
Long-term deferred revenue	2,102	1,637
Long-term contingent consideration	6,251
Operating lease liabilities	5,583	5,062
Other liabilities	55	43
Total liabilities	34,712	19,989
Series A - Convertible preferred stock:
Convertible preferred stock, Series A, par value $0.001; 10,000,000 shares authorized; 21,683 and 22,358 shares outstanding at 2024 and 2023, respectively	5,408	5,577
Stockholders’ equity:
Common stock, par value $0.001; 300,000,000 shares authorized, 84,713,400 and 80,949,697 shares issued at 2024 and 2023, respectively	85	81
Additional paid in capital	565,146	554,148
Treasury stock, 4,015 shares at 2024 and 2023	(206)	(206)
Accumulated deficit	(554,210)	(537,680)
Total stockholders’ equity	10,815	16,343
Total liabilities and stockholders’ equity	$ 50,935	$ 41,909