D. STOCKHOLDERS' EQUITY (Details 2)	12 Months Ended
	Dec. 31, 2018 USD ($) $ / shares shares
Equity [Abstract]
Number of Option Shares Vested | shares	104,497
Weighted Average Exercise Price Vested | $ / shares	$ 94.67
Aggregate Intrinsic Value Vested | $		[1]
Weighted Average Remaining Contractual Life (Years) Vested	3 years 3 months 18 days
Number of Option Shares Vested and expected to vest | shares	226,640
Weighted Average Exercise Price Vested and expected to vest | $ / shares	$ 76.56
Aggregate Intrinsic Value Vested and expected to vest | $		[1]
Weighted Average Remaining Contractual Life (Years) Vested and expected to vest	4 years 4 months 24 days

[1] Amount represents the difference between the exercise price and $1.21, the closing price of Tenax Therapeutics' stock on December 31, 2018, as reported on the Nasdaq Capital Market, for all in-the-money options outstanding.