Business, Liquidity and Capital Resources (Details) - USD ($)		3 Months Ended
	Jan. 09, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Dec. 31, 2018
Business, Liquidity and Capital Resources (Textual)
Cash and cash equivalents		$ 36,068,736		$ 564,124
Net losses		(10,060,257)	$ (1,528,056)
Working capital		34,713,864
Stockholders' equity		64,741,841	3,326,065	$ (2,127,959)	$ 4,777,239
Net cash used in operating activities		(7,145,959)	(1,406,002)
Stock based compensation		2,797,807	76,882
Raising gross proceeds value		42,500,000
Net of offering costs		$ 39,600,000
Reverse stock split, description	1-for-40	On January 9, 2020, in connection with, and prior to the completion of, the Merger, Protara Therapeutics, Inc. effected a 1-for-40 reverse stock split of its common stock, or the Reverse Stock Split, Private ArTara changed its name from "ArTara Therapeutics, Inc."
Net loss		$ (10,060,257)	$ (1,528,056)