CONDENSED CONSOLIDATED STATEMENTS OF OPERATING INCOME - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CONDENSED CONSOLIDATED STATEMENTS OF OPERATING INCOME
Revenue	$ 9,060,000	$ 15,448,000
Costs and expenses:
Cost of goods sold, inclusive of depreciation and amortization	8,067,000	10,736,000
Gross margin	993,000	4,712,000
Operating Expenses:
Selling, general and administrative	1,973,000	2,268,000
Operating (loss)/income	(980,000)	2,444,000
OTHER INCOME (expense):
Other income: employee retention credit (ERC)	1,730,000
Interest expense	61,000	42,000
Total other income/(expense)	1,669,000	(42,000)
Income before income tax provision	689,000	2,402,000
Income tax provision	148,000	504,000
Net income	$ 541,000	$ 1,898,000
Basic
Net income per share	$ 0.23	$ 0.80
Diluted
Net income per share	$ 0.22	$ 0.79