Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Organization and Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stockholders' Equity (Details)

v3.22.1

Stockholders' Equity (Details) - USD ($)	1 Months Ended					3 Months Ended
Stockholders' Equity (Details) - USD ($)	Mar. 31, 2022	Feb. 28, 2022	Jan. 31, 2022	Aug. 31, 2021	Jan. 31, 2021	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Equity Offering
Common Stock shares, Outstanding	12,039,421					12,039,421		9,914,158
Stock-based compensation						$ 253,000	$ 248,000
Proceeds from Warrant Exercises						$ 1,000	$ 0
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
Pre-Funded Warrants [Member]
Equity Offering
Number of warrants issued	974,242					974,242
Proceeds from Warrant Exercises	$ 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
Exercise price of warrants (in dollars per share)		$ 0.001
Number of warrants issued		2,274,242
February 2022 Offerings \| Unregistered prefunded warrants
Equity Offering
Exercise price of warrants (in dollars per share)		$ 0.001
Number of warrants issued		1,289,796
February 2022 Offerings \| Unregistered five year and six month warrants
Equity Offering
Exercise price of warrants (in dollars per share)		$ 1.14
Warrants term		5 years 6 months
Number of warrants issued		4,664,038
January 2021 Offering
Equity Offering
Issuance of common stock, net (in shares)					2,725,000
Exercise price of warrants (in dollars per share)					$ 3.55
Number of warrants issued					2,725,000
Proceeds from sale of common stock					$ 8,900,000

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