| Pay vs Performance Disclosure - USD ($) | 12 Months Ended |
| Jan. 31, 2023 | Jan. 31, 2022 |
| Pay vs Performance Disclosure [Table] | | |
| Pay vs Performance [Table Text Block] | The following table presents the pay versus performance information for our named executive officers. The amounts set forth below have been calculated in accordance with Item 402(v) of Regulation S-K. Use of the term “compensation actually paid” is required by the SEC’s rules and, as a result of the calculation methodology required by the SEC. Such amounts differ from compensation actually received by the individuals. Fiscal Year Summary Compensation Table Total for PEO ($) (1) Compensation Actually Paid to PEO ($) (2) Average Summary Compensation Table Total for Non-PEO NEOs ($) (3) Average Compensation Actually Paid to Non-PEO NEOs ($) (4) Year-End Value of $100 Investment Based On Total Stockholder Return ($) (5) Net Income (Loss) (thousand $) (6) (a) (b) (c) (d) (e) (f) (g) 2023 367,148 389,348 335,349 357,549 178 16,547 2022 341,139 351,099 340,091 319,568 108 (15,136) | |
| Named Executive Officers, Footnote [Text Block] | The dollar amounts reported in column (b) are the amounts of total compensation reported for Robert A. Virtue (our Chief Executive Officer, or PEO) for each corresponding year in the “Total” column of the Summary Compensation Table. Refer to “Executive Compensation—Summary Compensation Table.”The dollar amounts reported in column (d) represent the average of the amounts reported for the NEOs as a group (excluding our PEO) in the “Total” column of the Summary Compensation Table in each applicable year. The Non-PEO NEOs included for purposes of calculating the average amounts in each applicable year are Douglas A. Virtue and Robert E. Dose. | |
| PEO Total Compensation Amount | $ 367,148 | $ 341,139 |
| PEO Actually Paid Compensation Amount | $ 389,348 | 351,099 |
| Adjustment To PEO Compensation, Footnote [Text Block] | The dollar amounts reported in column (c) represent the amount of “compensation actually paid” to Mr. Virtue, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual amount of compensation earned by or paid to Mr. Virtue during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the adjustments in the table below were made to Mr. Virtue’s Summary Compensation Table Total compensation for each year to determine the compensation actually paid. The valuation assumptions used to calculate fair values did not materially differ from those disclosed at the time of grant. PEO 2022 2023 Summary Compensation Table Total $341,139 $367,148 Less: Stock Award Values Reported in Summary Compensation Table for the Covered Year $0 $0 Plus: Fair value of Equity Awards Granted During Covered Year $0 $0 Change in Fair Value of Outstanding Unvested Stock Awards from Prior Years $3,520 $15,440 Change in Fair Value of Stock Awards from Prior Years that Vested in the Covered Year $6,440 $6,760 Less: Fair Value of Equity Awards Forfeited During Covered Year $0 $0 Less: Change in Pension Value Reported in Summary Compensation Table $0 $0 Plus: Pension Value Service Cost $0 $0 Compensation Actually Paid $351,099 $389,348 | |
| Non-PEO NEO Average Total Compensation Amount | $ 335,349 | 340,091 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 357,549 | 319,568 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | The dollar amounts reported in column (e) represent the average amount of “compensation actually paid” to the Non-PEO NEOs as a group, as computed in accordance with Item 402(v) of Regulation S-K. The dollar amounts do not reflect the actual average amount of compensation earned by or paid to the NEOs as a group (excluding our PEO) during the applicable year. In accordance with the requirements of Item 402(v) of Regulation S-K, the adjustments in the table below were made to average total compensation for the Non-PEO NEOs as a group for each year to determine the compensation actually paid, using the same methodology described above in Note (2). Average of Non-PEO NEOs 2022 2023 Summary Compensation Table Total $340,091 $335,349 Less: Stock Award Values Reported in Summary Compensation Table for the Covered Year $0 $0 Plus: Fair value of Equity Awards Granted During Covered Year $0 $0 Change in Fair Value of Outstanding Unvested Stock Awards from Prior Years $3,520 $15,440 Change in Fair Value of Stock Awards from Prior Years that Vested in the Covered Year $6,440 $6,760 Less: Fair Value of Equity Awards Forfeited During Covered Year $0 $0 Less: Change in Pension Value Reported in Summary Compensation Table ($30,483) $0 Plus: Pension Value Service Cost $0 $0 Compensation Actually Paid $319,568 $357,549 | |
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | The chart below shows the relationship between the compensation actually paid to our PEO and the average compensation actually paid to our Non-PEO NEOs, on the one hand, to the Company’s cumulative total stockholder return, or TSR, over the two years presented in the table, on the other. | |
| Compensation Actually Paid vs. Net Income [Text Block] | The chart below shows the relationship between the compensation actually paid to our PEO and the average compensation actually paid to our Non-PEO NEOs, on the one hand, to the Company’s net income, on the other. | |
| Total Shareholder Return Amount | $ 178 | 108 |
| Net Income (Loss) | $ 16,547,000 | (15,136,000) |
| PEO Name | Robert A. Virtue | |
| Additional 402(v) Disclosure [Text Block] | As required by Section 953(a) of the Dodd-Frank Act and Item 402(v) of Regulation S-K, we are providing the following disclosure about the relationship between “compensation actually paid” for our principal executive officer, or PEO, and non-PEO named executive officers, or Non-PEO NEOs, and certain financial performance of the Company. As a smaller reporting company we are permitted and have elected to provide scaled pay versus performance disclosure. For further information regarding our compensation philosophy and how we seek to align executive compensation with the Company’s performance, please see above in this “Executive Compensation” section. Cumulative TSR is calculated by dividing the sum of the cumulative amount of dividends for the measurement period, assuming dividend reinvestment, and the difference between the Company’s share price at the end and the beginning of the measurement period by the Company’s share price at the beginning of the measurement period.The dollar amounts reported represent the amount of net income (loss) reflected in the Company’s audited financial statements for the applicable fiscal year. | |
| PEO [Member] | Equity Awards Reported Value [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | $ 0 | 0 |
| PEO [Member] | Equity Awards Granted During the Year [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 0 | 0 |
| PEO [Member] | Equity Awards Granted in Prior Years, Unvested [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 15,440 | 3,520 |
| PEO [Member] | Equity Awards Granted in Prior Years, Vested [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 6,760 | 6,440 |
| PEO [Member] | Equity Awards Forfeited During the Year [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 0 | 0 |
| PEO [Member] | Pension Adjustment, Change in Pension Value [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 0 | 0 |
| PEO [Member] | Pension Adjustments, Service Cost [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 0 | 0 |
| Non-PEO NEO [Member] | Equity Awards Reported Value [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 0 | 0 |
| Non-PEO NEO [Member] | Equity Awards Granted During the Year [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 0 | 0 |
| Non-PEO NEO [Member] | Equity Awards Granted in Prior Years, Unvested [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 15,440 | 3,520 |
| Non-PEO NEO [Member] | Equity Awards Granted in Prior Years, Vested [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 6,760 | 6,440 |
| Non-PEO NEO [Member] | Equity Awards Forfeited During the Year [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 0 | 0 |
| Non-PEO NEO [Member] | Pension Adjustment, Change in Pension Value [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | 0 | 30,483 |
| Non-PEO NEO [Member] | Pension Adjustments, Service Cost [Member] | | |
| Pay vs Performance Disclosure [Table] | | |
| Adjustment to Compensation Amount | $ 0 | $ 0 |
