| Cover | Dec. 15, 2021 |
| Cover [Abstract] | |
| Entity Registrant Name | AmpliTech Group, Inc. |
| Entity Central Index Key | 0001518461 |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Emerging Growth Company | false |
| Document Period End Date | Dec. 15, 2021 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Incorporation State Country Code | NV |
| Entity File Number | 000-54355 |
| Entity Tax Identification Number | 27-4566352 |
| Entity Address Address Line 1 | 620 Johnson Avenue |
| Entity Address City Or Town | Bohemia |
| Entity Address State Or Province | NY |
| Entity Address Postal Zip Code | 11716 |
| City Area Code | 631 |
| Local Phone Number | 521-7831 |
| Security 12b Title | Common Stock, par value $0.001 per share |
| Trading Symbol | AMPG |
| Security Exchange Name | NASDAQ |
