Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Net Sales	$ 40,975,320	$ 48,193,318
Costs and expenses
Costs of goods sold	39,503,996	42,000,840
General, selling and administrative costs	1,208,388	1,492,740
Costs and expenses, total	40,712,384	43,493,580
EARNINGS FROM OPERATIONS	262,936	4,699,738
Interest and other income	(6,335)	(62,775)
EARNINGS BEFORE INCOME TAXES	269,271	4,762,513
Income tax provision (benefit):
Current	90,538	1,066,456
Deferred	(16,039)	96,164
Income tax	74,499	1,162,620
NET EARNINGS	$ 194,772	$ 3,599,893
Average number of common shares outstanding:
Basic (in shares)	6,999,444	7,009,444
Diluted (in shares)	6,999,444	7,009,444
Net earnings per share:
Basic (in dollars per share)	$ 0.03	$ 0.51
Diluted (in dollars per share)	0.03	0.51
Cash dividends declared per common share (in dollars per share)	$ 0.04	$ 0.03