Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net Sales	$ 24,861,680	$ 39,995,580	$ 48,386,280	$ 80,970,900
Costs and expenses
Costs of goods sold	23,770,583	40,778,230	47,038,429	80,282,226
General, selling and administrative costs	1,401,888	1,253,849	2,793,642	2,462,237
Interest expense	6,255		12,208
Costs and expenses, total	25,178,726	42,032,079	49,844,279	82,744,463
EARNINGS (LOSS) FROM OPERATIONS	(317,046)	(2,036,499)	(1,457,999)	(1,773,563)
Interest and other income	(4,325)	(4,370)	(8,648)	(10,705)
EARNINGS (LOSS) BEFORE INCOME TAXES	(312,721)	(2,032,129)	(1,449,351)	(1,762,858)
Provision for (benefit from) income taxes:
Current	46,005	(385,062)	(123,041)	(294,524)
Deferred	(108,721)	(102,930)	(217,443)	(118,969)
Income tax	(62,716)	(487,992)	(340,484)	(413,493)
NET EARNINGS (LOSS)	$ (250,005)	$ (1,544,137)	$ (1,108,867)	$ (1,349,365)
Weighted average number of common shares outstanding:
Basic (in shares)	7,067,898	6,999,444	7,074,137	6,999,444
Diluted (in shares)	7,067,898	6,999,444	7,074,137	6,999,444
Net earnings (loss) per share:
Basic (in dollars per share)	$ (0.04)	$ (0.22)	$ (0.16)	$ (0.19)
Diluted (in dollars per share)	(0.04)	(0.22)	(0.16)	(0.19)
Cash dividends declared per common share (in dollars per share)	$ 0.02	$ 0.02	$ 0.04	$ 0.06