Consolidated Statements of Changes in Shareholders' Equity (Deficiency) - USD ($)	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]		Accumulated Deficit [Member]		Accumulated Other Comprehensive Income (loss) [Member]	Total
Balance at Dec. 31, 2016	$ 221		$ 8,873,110		$ (13,573,105)			$ (4,699,774)
Balance, shares at Dec. 31, 2016	2,207,450
Stock issued with respect to merger of Beyond Air	$ 10		(295,000)					(294,990)
Stock issued with respect to merger of Beyond Air shares	103,200
Purchase of treasury stock	$ (9)	(25,000)						(25,009)
Purchase of treasury stock, shares	(90,000)
Stock-based compensation - employees and non-employees			537,000					537,000
Stock-based compensation related to restricted stock issuance of shares to members of board of directors	$ 86		2,521,000					2,521,086
Stock-based compensation related to restricted stock issuance of shares to members of board of directors, shares	856,909
Cancellation of restricted stock granted to a member of the board of directors	$ (25)		844,000					843,975
Cancellation of restricted stock granted to a member of the board of directors, shares	(246,312)
Issuance of warrants to service provider			480,000					480,000
Stock-based compensation related to restricted stock issuance of shares to members of board of directors	$ 1		4,000					4,001
Stock-based compensation related to restricted stock issuance of shares to members of board of directors, shares	3,927
Issuance of common stock, net of issuance costs	$ 181		6,322,000					6,322,181
Issuance of common stock, net of issuance costs, shares	1,812,110
Conversion of convertible notes into common stock upon merger	$ 140		3,973,000					3,973,140
Conversion of convertible notes into common stock upon merger, shares	1,397,068
Issuance of stock upon exercise of stock options	$ 5		1,000					1,005
Issuance of stock upon exercise of stock options, shares	52,902
Net unrealized gains (loss) on available-for-sale investments							2,149	2,149
Adjustment due to adoption of ASU 2016-01 (Note 2)
Net (loss) income					(18,044,346)			(18,044,346)
Balance at Dec. 31, 2017	$ 610	(25,000)	23,260,110		(31,617,451)		2,149	(8,379,582)
Balance, shares at Dec. 31, 2017	6,097,254
Stock-based compensation - employees and non-employees			130,000					130,000
Stock-based compensation related to restricted stock issuance of shares to members of board of directors			17,000					17,000
Issuance of common stock, net of issuance costs	$ 230		8,734,000					8,734,230
Issuance of common stock, net of issuance costs, shares	2,299,802
Net unrealized gains (loss) on available-for-sale investments							(5,135)	(5,135)
Adjustment due to adoption of ASU 2016-01 (Note 2)
Net (loss) income					1,047,687			1,047,687
Balance at Mar. 31, 2018	$ 840	(25,000)	32,141,110		(30,569,764)		(2,986)	1,544,200
Balance, shares at Mar. 31, 2018	8,397,056
Adjustment due to the Adoption of ASU- 2017-11			6,194,292	[1]	(516,358)	[1]		5,677,934	[1]
At the market stock sales	$ 29		799,156					799,185
At the market stock sales, shares	297,000
Issuance of common stock upon the exercise of stock options	$ 2		8,699					8,701
Issuance of common stock upon the exercise of stock options, shares	20,759
Stock-based compensation			2,550,321					2,550,321
Adjustment due to adoption of ASU 2016-01 (Note 2)							2,986	(2,986)
Net (loss) income					(6,558,450)			(6,558,450)
Balance at Mar. 31, 2019	$ 871	$ (25,000)	$ 41,693,578		$ (37,644,572)		$ 0	$ 4,024,877
Balance, shares at Mar. 31, 2019	8,714,815

[1] The Company elected to adopt Accounting Standards Update 2017-11 retrospective to outstanding financial instruments with down round feature by means of cumulative-effect adjustment to the beginning additional paid-in capital of $6,194,292 and accumulated deficit of $(516,358) as of April 1, 2018. This ASU affects all entities that issue financial instruments (for example, warrants or convertible instruments) that include down round features.