v3.20.1

Stockholders' Equity (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Equity [Abstract] |
Schedule of warrant activity | In connection with the issuance of debt, common stock and preferred stock, the Company has issued warrants to purchase shares of the Company's common stock. The following table summarizes warrant activity:
|  | Number of Warrants |  | Weighted Average Exercise Price per Warrant
Balance December 31, 2017 |  | 2,618,307 |  |  | $ | 5.28 |
Granted, Arosa Loan Agreement |  | 7,147,147 |  |  |  |
Granted, Marathon Credit Agreement |  | 8,053,390 |  |  |  |
Exercised |  | — |  |  |  |
Balance December 31, 2018 |  | 17,818,844 |  |  | 1.84 |
Granted, Series B Preferred Stock |  | 9,262,500 |  |  |  |
Granted, Marathon Credit Agreement |  | 3,379,466 |  |  |  |
Granted, Other |  | 66,966 |  |  |
Exercised |  | — |  |  |  |
Balance December 31, 2019 |  | 30,527,776 |  |  | $ | 1.82 |

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of warrant activity. + References No definition available. + Details
Name: | wkhs_ScheduleOfWarrantActivityTableTextBlock
Namespace Prefix: | wkhs_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration