SEGMENT INFORMATION - Financial information for segments (Details)	3 Months Ended		6 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) subsidiary	Sep. 30, 2021 USD ($)
SEGMENT INFORMATION
Number of reportable segment | subsidiary			2
Net sales from external customers	$ 8,522,647	$ 4,797,410	$ 15,599,004	$ 8,209,639
Total operating (loss) income	(87,423)	(242,982)	(645,432)	(142,922)
ERTC refundable credits	624,045		624,045
PPP loan forgiveness				1,317,100
Other income	73,561	1,001	40,336	11,391
Interest expense	(83,730)	(56,894)	(167,375)	(86,772)
Income (loss) before income taxes	526,453	(298,875)	(148,426)	1,098,797
Depreciation and amortization			1,116,602	515,804
Capital expenditures			499,341	362,986
Corporate and unallocated
SEGMENT INFORMATION
Total operating (loss) income	(825,519)	(663,868)	(1,177,809)	(1,014,383)
Ranor
SEGMENT INFORMATION
Net sales from external customers	4,933,653	3,538,784	9,659,584	6,951,013
Total operating (loss) income	1,493,395	379,882	2,746,467	830,457
Depreciation and amortization			264,143	365,936
Capital expenditures			99,836	360,696
Stadco
SEGMENT INFORMATION
Net sales from external customers	3,588,994	1,258,626	5,939,420	1,258,626
Total operating (loss) income	$ (755,299)	$ 41,004	(2,214,090)	41,004
Depreciation and amortization			852,459	149,868
Capital expenditures			$ 399,505	$ 2,290