CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CONDENSED CONSOLIDATED STATEMENTS OF INCOME
NET SALES	$ 215,545	$ 169,912
COSTS OF OPERATIONS	200,205	154,081
GROSS PROFIT	15,340	15,831
OPERATING EXPENSES:
Selling, general and administrative expenses	12,386	11,051
NON-OPERATING (INCOME) EXPENSES:
Interest expense, net	418	275
Other (income) expense, net	52	276
Total expense, net	12,856	11,602
INCOME BEFORE INCOME TAXES	2,484	4,229
INCOME TAX PROVISION	419	1,051
NET INCOME	$ 2,065	$ 3,178
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 0.18	$ 0.28
DILUTED INCOME PER COMMON SHARE (in dollars per share)	0.18	0.28
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.18	$ 0.18
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,417	11,410
Diluted (in shares)	11,421	11,410