Significant Accounting Policies (Tables)

12 Months Ended

May 31, 2020

Accounting Policies [Abstract]

Reconciliation of cash and cash equivalents and restricted cash

	Years ended May 31,
	2020		2019
Cash and cash equivalents	$	10,146,531	$	1,467,435
Restricted cash		420,000		-
Total cash, cash equivalents and restricted cash shown in the Consolidated Statement of Cash Flows	$	10,566,531	$	1,467,435

Inventories

	Fiscal Year ended, May 31,
	2020		2019
Raw materials	$	154,293	$	347,095
Work-in-process		525,615		376,375
Finished goods		379,449		517,662
Total Inventory	$	1,059,357	$	1,241,132

Property and equipment

	Fiscal Year ended, May 31,
	2020			2019
Land	$	299,000		$	299,000
Buildings and improvements		1,847,505			1,814,524
Furniture, fixtures and equipment		396,264			498,476
		2,542,769			2,612,000
Less accumulated depreciation		(1,890,633	)		(1,858,593	)
	$	652,136		$	753,407

Minimum future lease payments receivable

Years ending May 31,
2021	$	283,578
2022		291,906
2023		300,666
2024		309,870
2025		319,164
Thereafter		1,557,600
Total undiscounted cash flow	$	3,062,784

Intangible asset amortization expense

Years ending May 31,
2021	$	104,583
2022		104,583
2023		78,436
2024		-
2025		-
Thereafter		-
	$	287,602