CONDENSED CONSOLIDATED STATEMENTS OF OPERATING INCOME - USD ($)	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
CONDENSED CONSOLIDATED STATEMENTS OF OPERATING INCOME
Revenue	$ 10,028,000		$ 13,504,000		$ 19,088,000	$ 28,952,000
Costs and expenses:
Costs of goods sold, inclusive of depreciation and amortization	8,156,000		10,484,000		16,223,000	21,220,000
Gross margin	1,872,000		3,020,000		2,865,000	7,732,000
Operating Expenses:
Selling, general and administrative	2,209,000		1,748,000		4,182,000	4,016,000
Operating (loss)/income	(337,000)		1,272,000		(1,317,000)	3,716,000
Other income/(expense):
Other income: employee retention credit (ERC)	1,914,000				3,644,000
Interest expense	(66,000)		(50,000)		(127,000)	(92,000)
Total other income/(expenses)	1,848,000		(50,000)		3,517,000	(92,000)
Income before income tax provision	1,511,000		1,222,000		2,200,000	3,624,000
Income tax provision	325,000		257,000		473,000	761,000
Net income	$ 1,186,000	$ 541,000	$ 965,000	$ 1,898,000	$ 1,727,000	$ 2,863,000
Basic
Net Income per share	$ 0.49		$ 0.41		$ 0.72	$ 1.21
Diluted
Net income per share	$ 0.49		$ 0.40		$ 0.72	$ 1.20