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v3.21.1

Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2019
Operating activities |  |  |
Royalties received | $ 23,042,360 | $ 36,531,459 | $ 46,705,036
Interest received | 39,347 | 296,964 | 248,667
Expenses paid | (2,273,809) | (2,239,182) | (1,457,039)
Net cash from operating activities | 20,807,898 | 34,589,241 | 45,496,664
Investing activities |  |  |
Maturities of U.S. Government securities | 90,367,702 | 90,434,386 | 81,835,668
Sales of U.S. Government securities | 236,992 |  | 99,740
Purchases of U.S. Government securities | (87,178,889) | (71,644,548) | (90,260,269)
Net cash from investing activities | 3,425,805 | 18,789,838 | (8,324,861)
Financing activity |  |  |
Distributions to unitholders | (21,910,417) | (44,083,234) | (36,604,828)
Net change in cash and cash equivalents | 2,323,286 | 9,295,845 | 566,975
Cash and cash equivalents, beginning of period | 10,177,655 | 881,810 | 314,835
Cash and cash equivalents, end of period | 12,500,941 | 10,177,655 | 881,810
Reconciliation of net income to net cash from (used for) operating activities |  |  |
Net income | 23,407,647 | 30,055,752 | 45,559,044
Decrease (increase) in accrued income receivable | (179,889) | 2,269,472 | (382,969)
Decrease (increase) in contract asset | (177,251) | 56,357 | 42,907
Decrease (increase) in prepaid expense | (26,931) | (13,182) | 168
Increase (decrease) in accrued expenses | 296,042 | (290,878) | 277,514
Increase (decrease) in contract liability | (2,511,720) | 2,511,720 |
Net cash from operating activities | 20,807,898 | 34,589,241 | 45,496,664
Non cash financing activity |  |  |
Distributions declared and payable | $ 6,035,205 | $ 9,184,007 | $ 18,236,814

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