Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets
Cash	$ 7,548	$ 9,175
Accounts receivable, net
Trade - billed (less allowances of $1,130 and $806), including contract retentions	19,420	17,209
Trade - unbilled	1,327	525
Inventories, net
Raw materials	2,078	2,329
Finished goods	4,599	2,821
Prepaid expenses	854	1,266
Refundable income taxes	23	0
Total current assets	35,849	33,325
Property and equipment, net	31,704	27,680
Other assets	438	343
Total assets	67,991	61,348
Current liabilities
Accounts payable - trade	4,741	7,336
Accrued expenses and other liabilities	429	831
Deferred revenue	4,313	2,717
Accrued compensation	1,770	1,203
Accrued income tax	1,539	473
Operating lease liabilities	21	43
Current maturities of notes payable	658	636
Customer deposits	1,539	2,779
Total current liabilities	15,010	16,018
Deferred revenues	6,222	4,424
Operating lease liability	90	2
Notes payable - less current maturities	4,436	5,092
Deferred tax liability	494	1,651
Total liabilities	26,252	27,187
Stockholders' equity
Preferred stock, $.01 par value; authorized 1,000,000 shares, none issued and outstanding	0	0
Common stock, $.01 par value; authorized 8,000,000 shares; 5,346,526 and 5,349,599 issued and 5,304,606 and 5,308,679 outstanding, respectively	54	54
Additional paid-in capital	7,717	7,814
Treasury stock, at cost, 40,920 shares	(102)	(102)
Retained earnings	34,070	26,395
Total stockholders' equity	41,739	34,161
Total liabilities and stockholders' equity	$ 67,991	$ 61,348