Quarterly report pursuant to Section 13 or 15(d)

Subsequent Event

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Subsequent Event
9 Months Ended
Oct. 31, 2022
Subsequent Events [Abstract]  
Subsequent Event
12.
Subsequent Event

On November 22, 2022, the Board of Directors voted to amend the Company's investment policy to expand the categories of investments. Subsequent to the quarter end the Company purchased $4.9 million of short-term government securities and $0.5 million of corporate bonds.