Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details)

Stockholders' Equity (Details) - USD ($)	1 Months Ended							3 Months Ended			6 Months Ended
Stockholders' Equity (Details) - USD ($)	May 31, 2022	Apr. 30, 2022	Mar. 31, 2022	Feb. 28, 2022	Jan. 31, 2022	Aug. 31, 2021	Jan. 31, 2021	Jun. 30, 2022	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Equity Offering
Common Stock shares, Outstanding								14,629,217			14,629,217		9,914,158
Proceeds from Warrant Exercises											$ 4,000	$ 0
Stock-based compensation											497,000	$ 695,000
JT Pharmaceuticals
Equity Offering
Issuance of common stock, net (in shares)					51,021
Milestone Payment					$ 100,000
2015 Plan
Equity Offering
Number of additional shares authorized							1,000,000
Common Stock
Equity Offering
Issuance of common stock, net (in shares)									1,151,000	2,725,000
Common Stock \| Restricted stock agreement with Maxim Group, LLC
Equity Offering
Number of shares agreed to issue						50,000
Vesting period						12 months
Stock-based compensation								$ 27,000			$ 54,000
Pre-Funded Warrants [Member]
Equity Offering
Number of warrants issued	1,289,796	1,300,000	974,242						974,242
Proceeds from Warrant Exercises	$ 1,290	$ 1,300	$ 1,000
February 2022 Offerings
Equity Offering
Issuance of common stock, net (in shares)				1,100,000
Proceeds from sale of common stock				$ 5,000,000.0
February 2022 Offerings \| Pre-Funded Warrants [Member]
Equity Offering
Number of warrants issued				2,274,242
Exercise price of warrants (in dollars per share)				$ 0.001
February 2022 Offerings \| Unregistered prefunded warrants
Equity Offering
Number of warrants issued				1,289,796
Exercise price of warrants (in dollars per share)				$ 0.001
February 2022 Offerings \| Unregistered five year and six month warrants
Equity Offering
Number of warrants issued				4,664,038
Exercise price of warrants (in dollars per share)				$ 1.14
February 2022 Offerings \| Five year and six month warrants
Equity Offering
Warrants term				5 years
January 2021 Offering
Equity Offering
Issuance of common stock, net (in shares)							2,725,000
Number of warrants issued							2,725,000
Exercise price of warrants (in dollars per share)							$ 3.55
Proceeds from sale of common stock							$ 8,800,000