Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Narrative)

Stockholders' Equity (Details Narrative) - USD ($)			1 Months Ended			3 Months Ended
Stockholders' Equity (Details Narrative) - USD ($)	Feb. 27, 2019	Jan. 22, 2019	Mar. 31, 2019	Feb. 28, 2019	Jan. 31, 2019	Mar. 31, 2019	Mar. 31, 2018	Feb. 26, 2019	Jan. 01, 2019
Public offering (in shares)		5,175,000
Public offering price (in dollars per share)		$ 1.90
Gross proceeds from public offering		$ 9,800,000
Net proceeds from public offering		$ 9,100,000
Proceeds from issuance of common stock							$ 4,000
Shares available from award (in shares)			250,000
Expected vesting period			3 years			3 years 4 months 24 days	3 years 6 months
Chief Financial Officer
Shares available from award (in shares)					56,698
Award exercise period					5 years
Award exercise price (in dollars per share)									$ 1.88
Warrant
Warrants issued (in shares)		103,500
Total shares sold			$ 5,175,000			$ 5,175,000
Warrant exercise price (in dollars per share)			$ 1.90			$ 1.90
Post-modification warrant expiration date						Jan. 22, 2024
Stephen Cotton
Shares available from award (in shares)				1,260,000.00	232,461
Award exercise period					5 years
Award exercise price (in dollars per share)									$ 1.88
Expected vesting period				3 years
Option One
Shares available from award (in shares)			125,000
Award exercise period			5 years
Award exercise price (in dollars per share)			$ 3.79			$ 3.79
Option One \| Stephen Cotton
Shares available from award (in shares)				420,000
Award exercise period				5 years
Award exercise price (in dollars per share)				$ 3.08
Option Two
Shares available from award (in shares)			62,500
Award exercise period			5 years
Award exercise price (in dollars per share)			$ 4.39			4.39
Option Two \| Stephen Cotton
Shares available from award (in shares)				420,000
Award exercise period				5 years
Award exercise price (in dollars per share)				$ 3.68
Option Three
Shares available from award (in shares)			62,500
Award exercise period			5 years
Award exercise price (in dollars per share)			$ 4.89			$ 4.89
Option Three \| Stephen Cotton
Shares available from award (in shares)				420,000
Award exercise period				5 years
Award exercise price (in dollars per share)				$ 4.18
Common Stock
Common stock issued during period (in shares)						20,987
Common Stock \| Board Members
Common stock issued during period (in shares)						115,731
Common Stock \| Veolia North America Regeneration Services, LLC
Common stock issued during period (in shares)			293,750
Proceeds from issuance of common stock	$ 1,200,000.0
Common Stock \| 2018 Short-Term Incentive Program
Common stock issued during period (in shares)						189,792
Restricted Stock Units (RSUs)
Restricted stock units granted (in shares)					261,455
Restricted stock units grant date fair value					$ 490,000
Operations, Management and Maintenance Contract Year One \| Affiliated Entity [Member]
Warrant exercise price (in dollars per share)								$ 5.00
Number of shares issued at anniversary (in shares)								2,000,000
Operations, Management and Maintenance Contract Year Two \| Affiliated Entity [Member]
Warrant exercise price (in dollars per share)								$ 7.00
Number of shares issued at anniversary (in shares)								2,000,000