Condensed Consolidated Statements of Equity - USD ($)		Total	Common Stock	Additional paid-in capital	Accumulated deficit	Accumulated other comprehensive income	Total electroCore, Inc. stockholders' equity	Noncontrolling interest
Balance at Dec. 31, 2019		$ 24,897,118	$ 29,835	$ 107,752,066	$ (83,479,098)	$ (41,295)	$ 24,261,508	$ 635,610
Balance, shares at Dec. 31, 2019			29,835,183
Net loss		(7,959,349)			(7,959,349)		(7,959,349)
Other comprehensive income		51,148				51,148	51,148
Equity financing commitment fee	[1]		$ 462	(462)
Equity financing commitment fee, shares			461,676
Issuance of stock related to employee compensation plans, net of forfeitures			$ 125	(125)
Issuance of stock related to employee compensation plans, net of forfeitures, shares			124,568
Share based compensation		744,865		744,865			744,865
Balance at Mar. 31, 2020		17,733,782	$ 30,422	108,496,344	(91,438,447)	9,853	17,098,172	635,610
Balance, shares at Mar. 31, 2020			30,421,427
Balance at Dec. 31, 2019		24,897,118	$ 29,835	107,752,066	(83,479,098)	(41,295)	24,261,508	635,610
Balance, shares at Dec. 31, 2019			29,835,183
Balance at Dec. 31, 2020		23,644,582	$ 45,560	130,205,027	(106,990,148)	(251,467)	23,008,972	635,610
Balance, shares at Dec. 31, 2020			45,559,765
Net loss		(5,383,832)			(5,383,832)		(5,383,832)
Other comprehensive income		144,144				144,144	144,144
Issuance of stock		6,920,350	$ 2,750	6,917,600			6,920,350
Issuance of stock, shares			2,750,000
Issuance of stock related to employee compensation plans, net of forfeitures			$ 18	(18)
Issuance of stock related to employee compensation plans, net of forfeitures, shares			17,599
Settlement of accrued bonus		399,997	$ 165	399,832			399,997
Settlement of accrued bonus, shares			165,413
Share based compensation		942,183		942,183			942,183
Balance at Mar. 31, 2021		$ 26,667,424	$ 48,493	$ 138,464,624	$ (112,373,980)	$ (107,323)	$ 26,031,814	$ 635,610
Balance, shares at Mar. 31, 2021			48,492,777

[1] Reflects commitment shares issued in accordance with the Company's equity facility purchase agreement with Lincoln Park Capital. For additional information see Note 12. Lincoln Park Stock Purchase Agreement.