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Loans Payable - Note 6 - MINOSA 2 - Additional Information (Detail) $ / shares in Units, Cuota in Millions						3 Months Ended			9 Months Ended		12 Months Ended
	Jul. 15, 2021 USD ($)	Aug. 10, 2017 USD ($) d $ / shares	Mar. 21, 2017 USD ($)	Oct. 01, 2016 USD ($) d $ / shares	Mar. 18, 2016 USD ($) Cuota d $ / shares	Sep. 30, 2021 USD ($) $ / shares	Sep. 30, 2020 USD ($)	Jun. 30, 2017 USD ($)	Sep. 30, 2021 USD ($) Cuota d $ / shares	Sep. 30, 2020 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2020 USD ($)	Jan. 25, 2017 USD ($)	Mar. 17, 2016 $ / shares	Mar. 11, 2015 USD ($)
Debt Instrument [Line Items]
Number of trading days | d									20
Conversion price of Notes | $ / shares						$ 4.67			$ 4.67
Aggregate amount issuable				$ 3,000,000.0
Note 6 - MINOSA 2 [Member]
Debt Instrument [Line Items]
Debt instrument, threshold payment term									60 days		60 days
BCF amount recorded									$ 62,925
Accrued interest						$ 127,287	$ 127,287		$ 377,711	$ 379,094
Debt Instrument, acceleration clause description									The obligations under the Minosa Note may be accelerated upon the occurrence of specified events of default including (a) our failure to pay any amount payable under the Minosa Note on the date due and payable; (b) our failure to perform or observe any term, covenant, or agreement in the Minosa Note or the related documents, subject to a five-day cure period; (c) the occurrence and expiration of all applicable grace periods, if any, of an event of default or material breach by us under any of the other loan documents; (d) the termination of the SPA; (e) commencement of certain specified dissolution, liquidation, insolvency, bankruptcy, reorganization, or similar cases or actions by or against us, in specified circumstances unless dismissed or stayed within 60 days; (f) the entry of a judgment or award against us in excess of $100,000; and (g) the occurrence of a change in control (as defined in the Minosa Note).
Judgment amount for acceleration of indebtedness									$ 100,000
Minimum aggregate offering price						3,000,000.0			3,000,000.0
Debt, interest expense	$ 159,082
Long-term Debt	$ 404,633
Note 6 - MINOSA 2 [Member] | Stock Purchase Agreement [Member] | Promissory Note [Member]
Debt Instrument [Line Items]
Aggregate amount issuable						14,750,000			14,750,000			$ 14,750,000			$ 14,750,000
Note 6 - MINOSA 2 [Member] | Loans Payable [Member]
Debt Instrument [Line Items]
Amount of loan outstanding						$ 5,050,000.00			$ 5,050,000.00			5,050,000.00
Interest rate, stated percentage		10.00%
Debt instrument, threshold payment term		60 days
Number of trading days | d		75
Conversion price of Notes | $ / shares		$ 4.35				$ 4.35			$ 4.35
Note 6 - MINOSA 2 [Member] | Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Amount of loan outstanding				$ 2,000,000.0
Minosa Purchase Agreement [Member] | Loans Payable [Member]
Debt Instrument [Line Items]
Debt , maximum borrowing capacity		$ 3,000,000.0
Amount of loan outstanding		2,700,000
Epsilon Acquisitions, LLC [Member]
Debt Instrument [Line Items]
Conversion price of Notes | $ / shares						$ 3.52			$ 3.52
Accrued interest						$ 0	$ 25,205		$ 34,520	$ 75,067
Aggregate amount issuable					$ 6,000,000.0
Epsilon Acquisitions, LLC [Member] | Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Amount of loan outstanding						0			0			$ 1,000,000.0
Debt conversion amount		$ 2,000,000.0	$ 2,000,000.0								$ 2,000,000
Interest rate, stated percentage				10.00%	10.00%
Number of trading days | d				75	75
Conversion price of Notes | $ / shares				$ 5.00	$ 5.00									$ 5.00
BCF amount recorded									$ 96,000
Accrued interest								$ 302,274
Aggregate amount issuable			$ 6,000,000.0	$ 3,000,000.0	$ 3,000,000.0								$ 3,000,000.0
Pledged units of ownership | Cuota					54				54
Epsilon Acquisitions, LLC [Member] | Second AR Epsilon Note [Member]
Debt Instrument [Line Items]
Amount of loan outstanding						$ 1,000,000.0			$ 1,000,000.0

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