Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025		Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 2,031		$ 5,007
Trade and other receivables, net of allowance of $200 and $242	78,320		66,946
Contract assets	102,876		103,422
Inventories	76,477		79,770
Prepaid expenses and other	4,298		7,343
Total current assets	264,002		262,488
Property, Plant and Equipment, Net	153,533		150,456
Operating lease right-of-use assets	88,158		87,747
Goodwill	55,504		55,504
Intangible assets, net	25,025		27,041
Other assets	6,358		6,417
Total assets	592,580		589,653
Liabilities, Current [Abstract]
Current portion of long-term debt	2,994		2,994
Accounts payable	30,794		27,783
Accrued Liabilities, Current	23,740		28,172
Contract liabilities	4,218		11,197
Current portion of operating lease liabilities	5,051	[1]	4,987
Total current liabilities	66,797		75,133
Borrowings on line of credit	30,644		24,677
Long-term debt	9,979		11,476
Operating lease liabilities	86,662	[2]	85,744
Deferred income taxes	8,757		8,297
Other Liabilities, Noncurrent	10,289		10,323
Total liabilities	213,128		215,650
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $.01 par value, 10,000,000 shares authorized, none issued or outstanding	0		0
Common stock, $.01 par value, 15,000,000 shares authorized, 9,821,230 and 9,918,711 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	98		99
Additional paid-in-capital	121,010		128,407
Retained earnings	259,358		246,331
Accumulated other comprehensive loss	(1,014)		(834)
Total stockholders’ equity	379,452		374,003
Total liabilities and stockholders’ equity	$ 592,580		$ 589,653

[1] Current portion of finance lease liabilities are included in Accrued liabilities.

[2] Long-term finance lease liabilities, less current portion are included in Other long-term liabilities.