Consolidated Balance Sheets - USD ($)	May 31, 2020	May 31, 2019
Current assets
Cash and cash equivalents	$ 10,146,531	$ 1,467,435
Restricted cash	420,000	0
Accounts receivable, net	574,926	631,126
Inventories	1,059,357	1,241,132
Prepaid expenses	60,674	101,617
Current assets held for sale	0	5,192,384
Total current assets	12,261,488	8,633,694
Property and equipment, net	652,136	753,407
Other assets
Intangible assets, net	287,602	392,185
Noncurrent assets held for sale	0	85,967
Total assets	13,201,226	9,865,253
Current liabilities
Accounts payable	267,660	102,566
Accrued commissions	41,450	71,663
Accrued payroll liabilities	86,372	112,351
Accrued liabilities	265,349	0
Customer deposits and prepayments	12,239	78,376
Other accrued liabilities	587,492	128,353
Income taxes payable	47,462	491
Current portion of long-term liabilities	0	20,828
Current liabilities held for sale	0	849,149
Total current liabilities	1,308,024	1,363,777
Long-term liabilities	0	28,543
Total liabilities	1,308,024	1,392,320
Commitments and contingencies (Note 4)
Stockholders' equity
Common stock, no par value, 20,000,000 shares authorized, 3,784,554 shares issued and outstanding at May 31, 2020 and 4,032,878 shares issued and outstanding at May 31, 2019	12,257,306	13,245,439
Accumulated other comprehensive loss	0	(527,827)
Accumulated deficit	(364,104)	(4,244,679)
Total stockholders' equity	11,893,202	8,472,933
Total liabilities and stockholders' equity	$ 13,201,226	$ 9,865,253