Quarterly report pursuant to Section 13 or 15(d)

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

Capital Stock, Stock Plans and Stock-Based Compensation (Details Narrative) - USD ($)					9 Months Ended
	Jul. 20, 2023	Jan. 19, 2023	Apr. 01, 2019	Jul. 27, 2017	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, par value					$ 0.001		$ 0.001
Proceeds from stock options exercised					$ 150,000	$ 13,000
Common Stock [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of option exercised					244,000
Number of shares issued from option exercise					163,933
Common Stock [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options, exercise price					$ 3.60
Common Stock [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options, exercise price					$ 7.005
Ferguson Stock Option [Member] \| First Milestone [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Options to purchase shares				10,000
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]
Number of option exercised					38,400
Number of stock option purchased					38,400
Proceeds from stock options exercised					$ 150,000
Share-Based Payment Arrangement, Option [Member] \| Common Stock [Member] \| Minimum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options, exercise price					$ 2.785
Share-Based Payment Arrangement, Option [Member] \| Common Stock [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Stock options, exercise price					$ 7.005
Robert Ferguson [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of option exercised				10,000
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 September 30, 2023. Upon Mr. Ferguson’s death, the warrant transferred to Mr. Ferguson’s heirs. 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					$ 1,947,000
Weighted average term for unrecognized and unvested option to be recognized					3 years 4 months 24 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 Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of stock option shares granted	10,000
Vesting period, description	one-fourth vesting annually over a four-year period.
Stock options, exercise price	$ 9.81
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					54,202
Allocated share-based compensation expense					$ 359,000
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
Common stock, par value		$ 0.001
Weighted average contractual term (years) outstanding		6 years
Vesting period, 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