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Pay vs Performance Disclosure - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Pay vs Performance Disclosure [Table] |  |
Pay vs Performance [Table Text Block] | Pay Versus Performance As discussed above, our Compensation Committee has implemented an executive compensation program designed to link a substantial portion of our executives' compensation to the achievement of the Company’s financial, operational and strategic objectives. The following tables set forth information concerning the compensation and compensation actually paid to Mark Winmill, President and CEO, our principal executive officer ("PEO"), and Thomas O'Malley, CFO, and Donald Klimoski II, SVP - Operations and General Counsel, our other named executive officers ("NEOs"), calculated in accordance with SEC regulations, for fiscal years 2022 and 2021, and our financial performance for each such fiscal year:
Year |  | Summary Compensation Table Total for PEO |  | Compensation Actually Paid to PEO |  | Average Summary Compensation Table Total for Non-PEO NEOs |  | Average Compensation Actually Paid to Non-PEO NEOs |  | Value of Initial Fixed $100 Investment Based on Total Shareholder Return (TSR) |  | Net Income
2022 |  | $526,253 |  | $512,756 |  | $208,558 |  | $202,704 |  | $90 |  | $2,057,723
2021 |  | $587,950 |  | $660,453 |  | $247,262 |  | $278,695 |  | $149 |  | $3,281,251
To calculate the Compensation Actually Paid ("CAP"), the following amounts were deducted from and added to the Summary Compensation Table ("SCT") total compensation: PEO SCT Total to CAP Reconciliation
Year |  | Salary |  | Bonus |  | Stock Awards |  | All Other Compensation |  | SCT Total |  | Grant Date Fair Value of Current Year Equity Awards included in SCT |  | Fair Value Adjustments to SCT Table |  | CAP
2022 |  | $397,000 |  | $15,269 |  | $55,899 |  | $58,085 |  | $526,253 |  | $(55,899) |  | $42,402 |  | $512,756
2021 |  | $377,000 |  | $14,500 |  | $144,884 |  | $51,566 |  | $587,950 |  | $(144,884) |  | $217,387 |  | $660,453
Average Non-PEO NEOs SCT Total to CAP Reconciliation
Year |  | Salary |  | Bonus |  | Stock Awards |  | All Other Compensation |  | SCT Total |  | Grant Date Fair Value of Current Year Equity Awards included in SCT |  | Fair Value Adjustments to SCT Table |  | CAP
2022 |  | $164,754 |  | $6,635 |  | $24,380 |  | $12,789 |  | $208,558 |  | $(24,380) |  | $18,526 |  | $202,704
2021 |  | $166,076 |  | $5,923 |  | $62,689 |  | $12,571 |  | $247,262 |  | $(62,689) |  | $94,122 |  | $278,695
Supplemental Tables PEO Equity Component of CAP
Year |  | Fair Value of Current Year Equity Awards at December 31, (a) |  | Change in Fair Value of Prior Years' Awards Unvested at December 31, (b) |  | Fair Value of Current Year Vested Awards (c) |  | Change in Fair Value of Prior Years' Awards Vested through the Year Ended December 31, (d) |  | Change in Value of Prior Year's Awards Failed to Vest through the Year Ended December 31, (e) |  | Dividends on Unvested Awards/Accrued Dividends (f) |  | Equity Value included in CAP (g) = (a)+(b)+(c)+(d)+(e)+(f)
2022 |  | $40,119 |  | $(15,495) |  | $10,260 |  | $(1,790) |  | $ — |  | $9,308 |  | $42,402
2021 |  | $148,776 |  | $9,329 |  | $31,586 |  | $19,512 |  | $ — |  | $8,184 |  | $217,387
Average Non-PEO NEOs Equity Component of CAP
Year |  | Fair Value of Current Year Equity Awards at December 31, (a) |  | Change in Fair Value of Prior Years' Awards Unvested at December 31, (b) |  | Fair Value of Current Year Vested Awards (c) |  | Change in Fair Value of Prior Years' Awards Vested through the Year Ended December 31, (d) |  | Change in Value of Prior Year's Awards Failed to Vest through the Year Ended December 31, (e) |  | Dividends on Unvested Awards/Accrued Dividends (f) |  | Equity Value included in CAP (g) = (a)+(b)+(c)+(d)+(e)+(f)
2022 |  | $17,500 |  | $(6,707) |  | $4,473 |  | $(777) |  | $ — |  | $4,037 |  | $18,526
2021 |  | $64,376 |  | $4,053 |  | $13,664 |  | $8,451 |  | $ — |  | $3,578 |  | $94,122
PEO Total Compensation Amount | $ 526,253 | $ 587,950
PEO Actually Paid Compensation Amount | $ 512,756 | 660,453
Adjustment To PEO Compensation, Footnote [Text Block] | PEO SCT Total to CAP Reconciliation
Year |  | Salary |  | Bonus |  | Stock Awards |  | All Other Compensation |  | SCT Total |  | Grant Date Fair Value of Current Year Equity Awards included in SCT |  | Fair Value Adjustments to SCT Table |  | CAP
2022 |  | $397,000 |  | $15,269 |  | $55,899 |  | $58,085 |  | $526,253 |  | $(55,899) |  | $42,402 |  | $512,756
2021 |  | $377,000 |  | $14,500 |  | $144,884 |  | $51,566 |  | $587,950 |  | $(144,884) |  | $217,387 |  | $660,453
PEO Equity Component of CAP
Year |  | Fair Value of Current Year Equity Awards at December 31, (a) |  | Change in Fair Value of Prior Years' Awards Unvested at December 31, (b) |  | Fair Value of Current Year Vested Awards (c) |  | Change in Fair Value of Prior Years' Awards Vested through the Year Ended December 31, (d) |  | Change in Value of Prior Year's Awards Failed to Vest through the Year Ended December 31, (e) |  | Dividends on Unvested Awards/Accrued Dividends (f) |  | Equity Value included in CAP (g) = (a)+(b)+(c)+(d)+(e)+(f)
2022 |  | $40,119 |  | $(15,495) |  | $10,260 |  | $(1,790) |  | $ — |  | $9,308 |  | $42,402
2021 |  | $148,776 |  | $9,329 |  | $31,586 |  | $19,512 |  | $ — |  | $8,184 |  | $217,387
Non-PEO NEO Average Total Compensation Amount | $ 208,558 | 247,262
Non-PEO NEO Average Compensation Actually Paid Amount | $ 202,704 | 278,695
Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | Average Non-PEO NEOs SCT Total to CAP Reconciliation
Year |  | Salary |  | Bonus |  | Stock Awards |  | All Other Compensation |  | SCT Total |  | Grant Date Fair Value of Current Year Equity Awards included in SCT |  | Fair Value Adjustments to SCT Table |  | CAP
2022 |  | $164,754 |  | $6,635 |  | $24,380 |  | $12,789 |  | $208,558 |  | $(24,380) |  | $18,526 |  | $202,704
2021 |  | $166,076 |  | $5,923 |  | $62,689 |  | $12,571 |  | $247,262 |  | $(62,689) |  | $94,122 |  | $278,695
Average Non-PEO NEOs Equity Component of CAP
Year |  | Fair Value of Current Year Equity Awards at December 31, (a) |  | Change in Fair Value of Prior Years' Awards Unvested at December 31, (b) |  | Fair Value of Current Year Vested Awards (c) |  | Change in Fair Value of Prior Years' Awards Vested through the Year Ended December 31, (d) |  | Change in Value of Prior Year's Awards Failed to Vest through the Year Ended December 31, (e) |  | Dividends on Unvested Awards/Accrued Dividends (f) |  | Equity Value included in CAP (g) = (a)+(b)+(c)+(d)+(e)+(f)
2022 |  | $17,500 |  | $(6,707) |  | $4,473 |  | $(777) |  | $ — |  | $4,037 |  | $18,526
2021 |  | $64,376 |  | $4,053 |  | $13,664 |  | $8,451 |  | $ — |  | $3,578 |  | $94,122
Compensation Actually Paid vs. Total Shareholder Return [Text Block] | Relationship to Compensation Actually Paid The following charts show the relationship of the compensation actually paid to our PEO and the average compensation actually paid to our NEOs to our cumulative total stockholder return and net income for the periods indicated. Compensation Actually Paid versus Total Shareholder Return |
Compensation Actually Paid vs. Net Income [Text Block] | Compensation Actually Paid versus Net Income |
Total Shareholder Return Amount | $ 90 | 149
Net Income (Loss) | $ 2,057,723 | 3,281,251
PEO Name | Mark Winmill |
PEO [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | $ 512,756 | 660,453
Salary | 397,000 | 377,000
Bonus | 15,269 | 14,500
Stock Awards | 55,899 | 144,884
All Other Compensation | 58,085 | 51,566
PEO [Member] | Grant Date Fair Value Of Current Year Equity Awards [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 55,899 | 144,884
PEO [Member] | Fair Value Adjustments to SCT [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 42,402 | 217,387
PEO [Member] | Equity Component of CAP Fair Value of Current Year Equity Award at December 31[Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 148,776 | 40,119
PEO [Member] | Equity Component of CAP Change in Fair Value of Prior Years' Awards Unvested at December 31 [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 9,329 | 15,495
PEO [Member] | Equity Component of CAP Fair Value of Current Year Vested Awards [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 31,586 | 10,260
PEO [Member] | Equity Component of CAP Change in Fair Value of Prior Years' Awards Vested through the Year Ended December 31 [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 19,512 | 1,790
PEO [Member] | Equity Component of CAP Change in Value of Prior Year's Awards Failed to Vest through the Year Ended December 31 [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount |  |
PEO [Member] | Equity Component of CAP Dividends on Unvested Awards/Accrued Dividends [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 8,184 | 9,308
PEO [Member] | Equity Value included in CAP [member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 217,387 | 42,402
Non-PEO NEO [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 202,704 | 278,695
Salary | 164,754 | 166,076
Bonus | 6,635 | 5,923
Stock Awards | 24,380 | 62,689
All Other Compensation | 12,789 | 12,571
Non-PEO NEO [Member] | Grant Date Fair Value Of Current Year Equity Awards [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 24,380 | 62,689
Non-PEO NEO [Member] | Fair Value Adjustments to SCT [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 18,526 | 94,122
Non-PEO NEO [Member] | Equity Component of CAP Fair Value of Current Year Equity Award at December 31[Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 17,500 | 64,376
Non-PEO NEO [Member] | Equity Component of CAP Change in Fair Value of Prior Years' Awards Unvested at December 31 [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 6,707 | 4,053
Non-PEO NEO [Member] | Equity Component of CAP Fair Value of Current Year Vested Awards [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 4,473 | 13,664
Non-PEO NEO [Member] | Equity Component of CAP Change in Fair Value of Prior Years' Awards Vested through the Year Ended December 31 [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 777 | 8,451
Non-PEO NEO [Member] | Equity Component of CAP Change in Value of Prior Year's Awards Failed to Vest through the Year Ended December 31 [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount |  |
Non-PEO NEO [Member] | Equity Component of CAP Dividends on Unvested Awards/Accrued Dividends [Member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | 4,037 | 3,578
Non-PEO NEO [Member] | Equity Value included in CAP [member] |  |
Pay vs Performance Disclosure [Table] |  |
Adjustment to Compensation Amount | $ 18,526 | $ 94,122

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