Trust Account and Fair Value Measurement (Details Textual) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2019 |
Dec. 31, 2018 |
|
| Trust Account and Fair Value Measurement (Textual) | ||
| Proceeds of trust account, description | The proceeds of the Trust Account were invested in U.S. government treasury bills. U.S. government treasury bills held at March 31, 2019 mature in April 2019 and yield interest of approximately 2.3%. | The proceeds of the Trust Account were invested in U.S. government treasury bills. U.S. government treasury bills held at March 31, 2019 mature in April 2019 and yield interest of approximately 2.3%. |
| Maturity date, description | During the first quarter ended March 31, 2019, the Company withdrew approximately $1,445,000 from the Trust Account in order to pay 2018 estimated income and franchise taxes (approximately $265,000 paid in January 2019 and approximately $430,000 paid in April 2019) and to release the 2019 $750,000 amount to working capital. | |
| Public Offering And Private Placement [Member] | ||
| Trust Account and Fair Value Measurement (Textual) | ||
| Cash deposited into trust account | $ 300,000,000 |