Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Additional Information (Details)

v3.19.1
Subsequent Events - Additional Information (Details) - Subsequent Event [Member]
$ in Millions
1 Months Ended
Jan. 31, 2019
USD ($)
Automobile
Subsequent Event [Line Items]  
Retirement benefits, description In January 2019, the Company established a defined contribution plan under Section 401(k) of the Internal Revenue Code (“401(k) Plan”) that the Company administers for participating employees’ contributions
Defined contribution plan, description All full-time employees are eligible under the 401(k) Plan. The Company will make contributions, based on a match of 100% of each employee’s contribution up to 3% and 50% of contributions between 3% and 5%, with the match-eligible contribution being limited to 4% of the employee’s eligible compensation
Lease Agreement [Member]  
Subsequent Event [Line Items]  
Lease maturity period 2021-01
Debt instrument, interest rate 6.40%
Lease Agreement With 10 Automobiles [Member] | Lease Agreement [Member]  
Subsequent Event [Line Items]  
Number of automobiles financed | Automobile 10
Leased agreement amount | $ $ 0.3
Lease Agreement With 7 Automobiles [Member] | Lease Agreement [Member]  
Subsequent Event [Line Items]  
Number of automobiles financed | Automobile 7
Leased agreement amount | $ $ 0.2
First Contribution [Member]  
Subsequent Event [Line Items]  
Employer matching contribution, maximum (percentage) 100.00%
Maximum contribution per employee (percentage) 3.00%
Second Contribution [Member]  
Subsequent Event [Line Items]  
Employer matching contribution, maximum (percentage) 50.00%
Second Contribution [Member] | Minimum [Member]  
Subsequent Event [Line Items]  
Maximum contribution per employee (percentage) 3.00%
Second Contribution [Member] | Maximum [Member]  
Subsequent Event [Line Items]  
Maximum contribution per employee (percentage) 5.00%
Third Contribution [Member]  
Subsequent Event [Line Items]  
Maximum contribution per employee (percentage) 4.00%