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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 17, 2021 | Sep. 01, 2020 | Jun. 16, 2020 | Sep. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Mar. 31, 2021 | Mar. 31, 2020 | Aug. 25, 2021
Share based compensation |  |  |  |  |  |  |  |  |
Exercised ( in shares) |  |  | 150,000 |  |  |  | 150,000 |  |
Common stock, par value (in dollars per share) |  |  |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001 |  |
Maximum contractual term (in years) |  |  |  |  |  |  | 5 years 7 months 13 days | 6 years 2 months 15 days |
Stock based compensation expense |  |  |  |  | $ 62,066 | $ 112,917 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term |  |  |  |  | 3 years |  |  |  |
Warrants expiration term |  |  |  |  |  |  |  |  | 3 years
Exercise price of warrants |  |  |  |  |  |  |  |  | $ 1.43
Warrant valuation |  |  |  | $ 46,256 | $ 46,256 |  |  |  |
Expected volatility |  |  |  |  | 46.70% |  |  |  |
Risk-free interest rate |  |  |  |  | 0.40% |  |  |  |
Expected life - years |  |  |  |  | 3 years |  |  |  |
Stadco |  |  |  |  |  |  |  |  |
Share based compensation |  |  |  |  |  |  |  |  |
Warrants issued to purchase common stock |  |  |  |  |  |  |  |  | 100,000
Restricted Stock [Member] |  |  |  |  |  |  |  |  |
Share based compensation |  |  |  |  |  |  |  |  |
Granted a total of shares of restricted stock | 100,000 | 100,000 |  |  |  |  |  |  |
Stock based compensation cost | $ 175,000 | $ 134,000 |  |  | $ 62,066 |  |  |  |
Stock based compensation expense |  |  |  | 28,566 |  |  |  |  |
Total unrecognized compensation cost related to restricted stock awards |  |  |  | 168,767 | 168,767 |  |  |  |
Stock option [Member] |  |  |  |  |  |  |  |  |
Share based compensation |  |  |  |  |  |  |  |  |
Unrecognized compensation cost related to stock options |  |  |  | $ 0 | $ 0 |  |  |  |
2016 Plan |  |  |  |  |  |  |  |  |
Share based compensation |  |  |  |  |  |  |  |  |
Number of shares of common stock |  |  |  | 5,000,000 | 5,000,000 |  |  |  |
Shares available for grant |  |  |  | 1,370,000 | 1,370,000 |  |  |  |
Maximum |  |  |  |  |  |  |  |  |
Share based compensation |  |  |  |  |  |  |  |  |
Maximum contractual term (in years) |  |  |  |  | 10 years |  |  |  |
Executive Officers | 2016 Plan |  |  |  |  |  |  |  |  |
Share based compensation |  |  |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  | $ 0.0001 |  |  |  |  |  |

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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of shares authorized for issuance under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.D.2) -URI http://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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