Share-based Compensation - Summarizes Outstanding Simple and Performance Warrants (Details) | 10 Months Ended | 12 Months Ended |
Dec. 31, 2018shares$ / shares | Dec. 31, 2019shares$ / shares | Feb. 28, 2018shares$ / shares |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 8,125,334 |
Weighted average exercise price, Warrants outstanding | $ / shares | | | $ 1.39 |
Number of warrants, Warrants exercisable | | | 3,432,000 |
Weighted average exercise price, Warrants exercisable | $ / shares | | | $ 0.63 |
Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 6,129,866 | 9,815,000 | 2,904,000 |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 1.80 | $ 4.01 | $ 0.82 |
Weighted average contractual life, Warrants outstanding (years) | 6 years 7 months 17 days | 5 years 7 months 9 days | 5 years 8 months 15 days |
Number of warrants, Warrants exercisable | 2,173,331 | 5,132,600 | 350,400 |
Weighted average exercise price, Warrants exercisable | $ / shares | $ 1.28 | $ 1.29 | $ 0.63 |
Weighted average contractual life, Warrants exercisable (years) | 5 years 6 months 29 days | 6 years | 5 years 3 months 3 days |
Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 7,094,822 | 5,798,822 | 8,125,334 |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 2.04 | $ 2.66 | $ 1.39 |
Number of warrants, Warrants exercisable | 2,044,690 | 4,456,422 | |
Weighted average exercise price, Warrants exercisable | $ / shares | $ 0.78 | $ 1.02 | |
$0.63 - $0.94 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 3,629,866 | 4,019,000 | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 0.73 | $ 0.68 | |
Weighted average contractual life, Warrants outstanding (years) | 5 years 5 months 15 days | 5 years 7 months 13 days | |
Number of warrants, Warrants exercisable | 1,765,331 | 3,635,000 | |
Weighted average exercise price, Warrants exercisable | $ / shares | $ 0.73 | $ 0.68 | |
Weighted average contractual life, Warrants exercisable (years) | 5 years 5 months 15 days | 5 years 7 months 9 days | |
$0.63 - $0.94 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | 3,700,690 | |
Weighted average exercise price, Warrants outstanding | $ / shares | | $ 0.64 | |
Number of warrants, Warrants exercisable | | 3,546,022 | |
Weighted average exercise price, Warrants exercisable | $ / shares | | $ 0.64 | |
$1.25 - $1.88 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 880,000 | 560,000 | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 1.52 | $ 1.50 | |
Weighted average contractual life, Warrants outstanding (years) | 11 years 3 months | 10 years 2 months 4 days | |
Number of warrants, Warrants exercisable | | 560,000 | |
Weighted average exercise price, Warrants exercisable | $ / shares | | $ 1.50 | |
Weighted average contractual life, Warrants exercisable (years) | | 10 years 2 months 4 days | |
$1.25 - $1.88 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | 646,933 | |
Weighted average exercise price, Warrants outstanding | $ / shares | | $ 1.52 | |
Number of warrants, Warrants exercisable | | 381,334 | |
Weighted average exercise price, Warrants exercisable | $ / shares | | $ 1.48 | |
$2.97 - $4.53 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 1,331,200 | 1,232,000 | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 3.24 | $ 3.18 | |
Weighted average contractual life, Warrants outstanding (years) | 6 years 9 months 10 days | 5 years 7 months 13 days | |
Number of warrants, Warrants exercisable | 328,000 | 848,000 | |
Weighted average exercise price, Warrants exercisable | $ / shares | $ 2.97 | $ 3.10 | |
Weighted average contractual life, Warrants exercisable (years) | 6 years 7 months 2 days | 4 years 11 months 12 days | |
$2.97 - $4.53 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | 788,000 | |
Weighted average exercise price, Warrants outstanding | $ / shares | | $ 3.09 | |
Number of warrants, Warrants exercisable | | 490,666 | |
Weighted average exercise price, Warrants exercisable | $ / shares | | $ 3.08 | |
$6.25 - $9.38 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 190,400 | 3,462,400 | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 7.16 | $ 6.37 | |
Weighted average contractual life, Warrants outstanding (years) | 5 years 2 months 12 days | 4 years 6 months | |
Number of warrants, Warrants exercisable | 80,000 | 80,000 | |
Weighted average exercise price, Warrants exercisable | $ / shares | $ 6.25 | $ 6.25 | |
Weighted average contractual life, Warrants exercisable (years) | 4 years | 4 years 5 months 8 days | |
$6.25 - $9.38 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | 362,933 | |
Weighted average exercise price, Warrants outstanding | $ / shares | | $ 6.97 | |
Number of warrants, Warrants exercisable | | 38,400 | |
Weighted average exercise price, Warrants exercisable | $ / shares | | $ 6.25 | |
$12.50 - $37.50 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | 541,600 | |
Weighted average exercise price, Warrants outstanding | $ / shares | | $ 18.08 | |
Weighted average contractual life, Warrants outstanding (years) | | 7 years 10 months 13 days | |
Number of warrants, Warrants exercisable | | 9,600 | |
Weighted average exercise price, Warrants exercisable | $ / shares | | $ 21.88 | |
Weighted average contractual life, Warrants exercisable (years) | | 9 years 18 days | |
$12.50 - $37.50 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | 300,266 | |
Weighted average exercise price, Warrants outstanding | $ / shares | | $ 23.72 | |
$12.50 - $15.63 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 98,400 | | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 13.87 | | |
Weighted average contractual life, Warrants outstanding (years) | 9 years 5 months 15 days | | |
$0.63 - $1.25 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 4,053,222 | | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 0.68 | | |
Number of warrants, Warrants exercisable | 1,924,690 | | |
Weighted average exercise price, Warrants exercisable | $ / shares | $ 0.64 | | |
$1.56 - $3.13 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 1,221,600 | | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 2.50 | | |
Number of warrants, Warrants exercisable | 120,000 | | |
Weighted average exercise price, Warrants exercisable | $ / shares | $ 2.97 | | |
$3.75 - $5.00 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 1,640,000 | | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 4.36 | | |
$6.25 - $21.88 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | 180,000 | | |
Weighted average exercise price, Warrants outstanding | $ / shares | $ 8.33 | | |
$0.63 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 2,096,000 |
Weighted average contractual life, Warrants outstanding (years) | | | 5 years 3 months 3 days |
Number of warrants, Warrants exercisable | | | 350,400 |
Weighted average contractual life, Warrants exercisable (years) | | | 5 years 3 months 3 days |
$0.94 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 696,000 |
Weighted average contractual life, Warrants outstanding (years) | | | 6 years 9 months 14 days |
$1.25 | Simple Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 112,000 |
Weighted average contractual life, Warrants outstanding (years) | | | 7 years 6 months 3 days |
$0.63 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 5,853,333 |
Number of warrants, Warrants exercisable | | | 3,432,000 |
$0.94 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 210,667 |
$1.25 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 210,667 |
$1.56 - $1.88 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 250,667 |
$3.75 - $5.00 | Performance Warrants | | | |
Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] | | | |
Number of warrants, Warrants outstanding | | | 1,600,000 |