CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 8,093	$ 10,269
Restricted cash, current	1,649	1,819
Investments in equity securities	4,157	3,767
Accounts receivable, less allowance for expected credit losses of $310 and $275, respectively	32,839	35,220
Inventories, net	7,072	6,988
Note receivable, current portion	256	256
Prepaid and other	3,992	4,168
Total current assets	58,058	62,487
Property and equipment, net of accumulated depreciation of $7,001 and $6,367, respectively	15,868	18,610
Operating lease right-of-use assets	14,078	11,675
Goodwill	5,913	5,944
Intangible assets, net of accumulated amortization of $4,949 and $4,795, respectively	1,526	1,688
Long-term investments	953	953
Notes receivable, net of current portion	8,766	8,629
Deferred tax assets, net	2,786	1,911
Restricted cash, non-current	553	1,322
Other assets	12	12
Total assets	108,513	113,231
Current liabilities:
Accounts payable	4,514	4,769
Accrued salaries, commissions, and benefits	8,152	7,526
Accrued expenses and other current liabilities	6,681	6,907
Short-term debt	6,789	8,473
Deferred revenue	876	1,496
Operating lease obligations, current	745	655
Total current liabilities	27,757	29,826
Income tax payable	100	99
Operating lease obligations	13,624	11,235
Long-term debt, net of current portion	5,589	6,056
Other liabilities	441	308
Total liabilities	47,511	47,524
Commitments and contingencies
Stockholders’ equity:
Series A Preferred stock, $0.001 par value; 10,000 shares authorized: 2,691 shares issued and 2,370 shares outstanding for both periods	3	3
Common stock, $0.001 par value, 20,000 shares authorized; 5,389 and 5,366 shares issued; 3,707 and 3,755 shares outstanding, respectively	5	5
Additional paid-in capital	530,028	530,136
Accumulated deficit	(439,727)	(435,934)
Accumulated other comprehensive loss, net of applicable tax	(1,447)	(1,364)
Treasury stock, at cost: 1,682 and 1,611 common shares, respectively, and 321 preferred shares for both periods	(27,860)	(27,139)
Total stockholders’ equity	61,002	65,707
Total liabilities and stockholders’ equity	$ 108,513	$ 113,231