Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 28,980	$ 22,788
Trade accounts receivable, net	7,159	7,221
Inventories, net	15,000	15,862
Prepaid expenses and other current assets	3,505	3,099
Total current assets	54,644	48,970
Property, plant and equipment, net	4,250	4,170
Operating lease right-of-use (ROU) assets	1,377	1,502
Deferred tax assets, net	4,887	5,230
Capitalized software and systems integration costs, net	3,097	3,417
Other assets	520	471
Total assets	68,775	63,760
Current liabilities:
Accounts payable	6,592	4,781
Accrued compensation and related taxes	1,998	2,423
Accrued warranty expense	641	760
Accrued other expenses and other current liabilities	654	335
Short-term operating lease liabilities	613	610
Deferred revenue	2,753	2,728
Total current liabilities	13,251	11,637
Long-term operating lease liabilities	830	965
Deferred revenue, net of current portion	6,981	6,460
Total liabilities	21,062	19,062
Commitments and contingencies
Stockholders’ equity:
Preferred stock; $1.00 par value; 1,000,000 authorized shares; none issued or outstanding	0	0
Common stock; $0.60 par value; 10,000,000 authorized shares; 4,105,556 and 4,092,056 issued, and 3,744,151 and 3,733,733 outstanding shares as of March 31, 2026 and December 31, 2025, respectively	2,463	2,455
Additional paid-in capital	52,271	51,803
Retained earnings (accumulated deficit)	448	(2,314)
Treasury stock, at cost, 361,405 shares as of March 31, 2026, and 358,323 shares as of December 31, 2025	(7,469)	(7,246)
Total stockholders’ equity	47,713	44,698
Total liabilities and stockholders’ equity	$ 68,775	$ 63,760