Condensed Consolidated Statements of Cash Flows - Unaudited - USD ($)	6 Months Ended
Sep. 30, 2018	Sep. 30, 2017
OPERATING ACTIVITIES
Net earnings	$ 5,600,809	$ 759,664
Adjustments to reconcile net earnings to cash provided by operating activities:
Depreciation	715,192	638,480
Deferred taxes	(7,846)	314,248
Compensation expense for restricted stock	144,480	144,480
Change in postretirement benefits	14,861	3,439
Decrease (increase) in operating assets:
Accounts receivable, net	7,629	155,069
Inventories	(9,317,746)	(5,627,744)
Other current assets	(635,701)	(193,629)
Increase (decrease) in operating liabilities:
Accounts payable and accrued expenses	2,574,885	5,676,463
Income taxes payable	913,139	15,640
Contribution to retirement plan	90,000	72,750
Employee compensation and related expenses	87,529	115,057
NET CASH PROVIDED BY OPERATING ACTIVITIES	187,231	2,073,917
INVESTING ACTIVITIES
Purchase of property, plant and equipment	(205,652)	(182,739)
Increase in cash surrender value of officers’ life insurance	(12,550)	(8,750)
NET CASH USED IN INVESTING ACTIVITIES	(218,202)	(191,489)
FINANCING ACTIVITIES
Cash dividends paid	(350,472)	(140,188)
NET CASH USED IN FINANCING ACTIVITIES	(350,472)	(140,188)
INCREASE (DECREASE) IN CASH	(381,443)	1,742,240
Cash at beginning of period	4,052,582	1,461,695
CASH AT END OF PERIOD	$ 3,671,139	$ 3,203,935

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