Quarterly report pursuant to Section 13 or 15(d)

Capital Stock, Stock Plans, Warrants and Stock Based Compensation (Details Narrative)

Capital Stock, Stock Plans, Warrants and Stock Based Compensation (Details Narrative) - USD ($)					1 Months Ended	3 Months Ended
	Jan. 19, 2023	Dec. 31, 2022	Apr. 02, 2019	Jul. 27, 2017	May 31, 2018	Mar. 31, 2023	Mar. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Proceeds from stock options exercised						$ 7,000
Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options, exercise price						$ 3.60
Issuance of common stock upon exercise of options (cashless), shares						29,319
Number of stock option purchased						42,000
Ferguson Stock Option [Member] \| Second Milestone [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options to purchase shares				30,000
Ferguson Stock Option [Member] \| Third Milestone [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options to purchase shares				60,000
Share-Based Payment Arrangement, Option [Member] \| Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options, exercise price						$ 2.785
Issuance of common stock upon exercise of options (cashless), shares						2,400
Number of stock option purchased						2,400
Proceeds from stock options exercised						$ 6,700
Robert Ferguson [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Issuance of common stock upon exercise of options (cashless), shares					10,000
Number of shares forfeited		30,000
Unrecognized compensation cost related to unvested options consultant						$ 502,000
Remaining stock option						60,000
Loans payable			$ 2,500,000
Warrant to purchase			60,000
Warrants exercise price			$ 3.51
Warrant exercisable, description			The warrant expires on April 1, 2024 and remains outstanding at March 31, 2023. Upon Mr. Ferguson’s death, the warrant is now held by Mr. Ferguson’s personal representative and/or beneficiary. The Ferguson Loan was paid-in-full in December 2020
Employee and Directors [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Unrecognized compensation cost related to unvested options consultant						$ 1,769,000
Weighted average term for unrecognized and unvested option to be recognized						3 years 9 months 18 days
2017 Stock Option Plan [Member] \| Consultant [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of stock option shares granted				100,000
Stock options, exercise price				$ 3.65
2003 Outside Directors Stock Option Plan [Member] \| Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Issuance of common stock for services, shares						33,319
Allocated share-based compensation expense						$ 120,000
Incentive Stock Option Agreement [Member] \| 2017 Stock Option Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of stock option shares granted	295,000
Weighted average contractual term (years) outstanding	6 years
Vesting, description	one-fifth yearly vesting over a five-year period
Stock options, exercise price	$ 3.95
Incentive Stock Option Agreement [Member] \| 2017 Stock Option Plan [Member] \| Chief Executive Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of stock option shares granted	70,000
Incentive Stock Option Agreement [Member] \| 2017 Stock Option Plan [Member] \| Chief Financial Officer [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of stock option shares granted	40,000
Incentive Stock Option Agreement [Member] \| 2017 Stock Option Plan [Member] \| EVP of Strategic Initiatives [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of stock option shares granted	30,000
Incentive Stock Option Agreement [Member] \| 2017 Stock Option Plan [Member] \| EVP of Waste Treatment Operations [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of stock option shares granted	30,000
Incentive Stock Option Agreement [Member] \| 2017 Stock Option Plan [Member] \| EVP of Nuclear and Technical Services [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of stock option shares granted	30,000