Fair Value Measurements (Details) € in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	May 23, 2022	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jul. 09, 2020	Jul. 31, 2019 EUR (€)	Jun. 30, 2019 EUR (€)
Fair Value Measurements (Details) [Line Items]
Operating lease, impairment loss (in Dollars) | $			$ 115,218		$ 170,714
Fair Value, Nonrecurring [Member]
Fair Value Measurements (Details) [Line Items]
Operating lease, impairment loss (in Dollars) | $			$ 115,218		$ 170,714
Curetis GmbH [Member] | European Investment Bank [Member] | Share-Based Payment Arrangement, Tranche Three [Member]
Fair Value Measurements (Details) [Line Items]
Drew down amount (in Euro)							€ 5.0
Additional payment percentage						2.10%
Curetis GmbH [Member] | European Investment Bank [Member] | Share-Based Payment Arrangement, Tranche Three [Member] | Fair Value, Recurring [Member]
Fair Value Measurements (Details) [Line Items]
Drew down amount (in Euro)								€ 5.0
Additional payment percentage								2.10%
Participation percentage interest								2.10%
Curetis GmbH [Member] | European Investment Bank [Member] | Share-Based Payment Arrangement, Tranche Three [Member] | Fair Value, Recurring [Member] | Minimum [Member]
Fair Value Measurements (Details) [Line Items]
Previous debt (in Euro)								€ 15.0
OpGen's Equity [Member] | European Investment Bank [Member] | Share-Based Payment Arrangement, Tranche Three [Member] | Fair Value, Recurring [Member]
Fair Value Measurements (Details) [Line Items]
Participation percentage interest	0.75%					0.30%
Maturity period	On May 23, 2022, the Company entered into a Waiver and Amendment Letter which increased the PPI to 0.75% upon maturity between mid-2024 and mid-2025.