Concentration of Risk (Details Narrative) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2021	Oct. 31, 2020
Cash balances in banks in the United States of America	$ 13.9		$ 13.9
Cash balances in foreign bank accounts	41.6		41.6
Uninsured amount	$ 54.8		$ 54.8
Major Customer [Member]
Concentration risk of net sales	10.00%	10.00%	10.00%	10.00%
Major Supplier [Member]
Concentration risk of net sales	10.00%	10.00%	10.00%	10.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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