| Document And Entity Information | Jan. 28, 2022 |
| Document Information Line Items | |
| Entity Registrant Name | GREENBOX POS |
| Trading Symbol | GBOX |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Central Index Key | 0001419275 |
| Document Period End Date | Jan. 28, 2022 |
| Entity Emerging Growth Company | false |
| Entity Incorporation, State or Country Code | NV |
| Entity File Number | 001-34294 |
| Entity Tax Identification Number | 22-3962936 |
| Entity Address, Address Line One | 3131 Camino Del Rio North, Suite 1400 |
| Entity Address, City or Town | San Diego |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 92108 |
| City Area Code | (619) |
| Local Phone Number | 631-8261 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.001 par value |
| Security Exchange Name | NASDAQ |
