SEGMENT REPORTING - Reportable Segments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Mar. 31, 2022
Segment Reporting Information [Line Items]
Revenue	$ 288,431	$ 381,882	$ 471,581	$ 781,794
Gross profit (loss)	(8,003)	10,922	(99,564)	125,941
Property, plant and equipment, net	2,336,717		2,336,717		$ 2,444,821
Land under development	10,481,293		10,481,293		$ 6,973,634
Operating segments
Segment Reporting Information [Line Items]
Revenue	288,431	381,882	471,581	781,794
Gross profit (loss)	(8,003)	10,922	(99,564)	125,941
Selling, general and administrative	1,699,766	3,113,199	4,094,096	5,923,648
Property, plant and equipment, net	2,336,717	2,521,942	2,336,717	2,521,942
Land under development	10,481,293	7,707,006	10,481,293	7,707,006
Operating segments | Aggregates
Segment Reporting Information [Line Items]
Revenue	288,431	381,882	471,581	781,794
Gross profit (loss)	(8,003)	10,922	(99,564)	125,941
Selling, general and administrative	135,049	145,356	289,828	285,990
Property, plant and equipment, net	2,324,540	2,494,917	2,324,540	2,494,917
Operating segments | Rail Park
Segment Reporting Information [Line Items]
Land under development	10,481,293	7,707,006	10,481,293	7,707,006
Operating segments | Other/Corporate
Segment Reporting Information [Line Items]
Selling, general and administrative	1,564,717	2,967,843	3,804,268	5,637,658
Property, plant and equipment, net	$ 12,177	$ 27,025	$ 12,177	$ 27,025