Related Party Transactions (Details) - USD ($) |
1 Months Ended | 3 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Sep. 14, 2018 |
Oct. 31, 2019 |
Aug. 31, 2019 |
Mar. 31, 2018 |
Sep. 30, 2019 |
Jun. 30, 2019 |
Dec. 18, 2018 |
|
| Related Party Transactions (Textual) | |||||||
| Stock split | 1.4-for-1 | ||||||
| Shares outstanding | 2,012,500 | ||||||
| Exercise price of warrants (in dollars per share) | $ 11.50 | ||||||
| Warrant [Member] | Subsequent Event [Member] | |||||||
| Related Party Transactions (Textual) | |||||||
| Exercise price of warrants (in dollars per share) | $ 0.40 | ||||||
| Private Placement [Member] | Warrant [Member] | |||||||
| Related Party Transactions (Textual) | |||||||
| Face amount | $ 500,000 | ||||||
| Exercise price of warrants (in dollars per share) | $ 0.40 | ||||||
| Private Placement [Member] | Warrant [Member] | Subsequent Event [Member] | |||||||
| Related Party Transactions (Textual) | |||||||
| Exercise price of warrants (in dollars per share) | $ 0.40 | ||||||
| Chardan Investments, LLC (the "Sponsor") [Member] | |||||||
| Related Party Transactions (Textual) | |||||||
| Number of shares issued | 1,437,500 | ||||||
| Aggregate purchase price | $ 500,000 | $ 25,000 | |||||
| Chardan Investments, LLC (the "Sponsor") [Member] | Subsequent Event [Member] | |||||||
| Related Party Transactions (Textual) | |||||||
| Repayment of promissory note | $ 875,000 | ||||||
| Chardan Investments, LLC (the "Sponsor") [Member] | Unsecured Promissory Notes [Member] | |||||||
| Related Party Transactions (Textual) | |||||||
| Face amount | $ 105,500 | $ 65,500 | |||||
| Chardan Investments, LLC (the "Sponsor") [Member] | Promissory Note [Member] | |||||||
| Related Party Transactions (Textual) | |||||||
| Face amount | $ 500,000 | ||||||
| Repurchased face amount | $ 500,000 | ||||||
| Chardan Investments, LLC (the "Sponsor") [Member] | Over-Allotment Option [Member] | |||||||
| Related Party Transactions (Textual) | |||||||
| Shares forfeited issued | 1,750,000 | ||||||
| Shares forfeited outstanding | 1,750,000 | ||||||
| Number of shares forfeiture | 262,500 | 262,500 | |||||
| Percentage of issued and outstanding shares own | 20.00% | ||||||
| Description of related party transaction | The Initial Stockholders have agreed that, subject to certain limited exceptions, 50% of the Founder Shares will not be transferred, assigned, sold or released from escrow until the earlier of (i) 6 months after the date of the consummation of a Business Combination or (ii) the date on which the closing price of the Company’s shares of common stock equals or exceeds $12.50 per share (as adjusted for stock splits, stock dividends, reorganizations and recapitalizations) for any 20 trading days within any 30-trading day period commencing after a Business Combination and the remaining 50% of the Founder Shares will not be transferred, assigned, sold or released from escrow until 6 months after the date of the consummation of a Business Combination, or earlier, in either case, if, subsequent to a Business Combination, the Company consummates a subsequent liquidation, merger, stock exchange or other similar transaction which results in all of the stockholders having the right to exchange their shares of common stock for cash, securities or other property. | ||||||