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Note 2 - Summary of Significant Accounting Policies (Details Textual)	3 Months Ended		9 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($) shares	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($)
Restricted Cash, Current	$ 60,684		$ 60,684	$ 60,399
Marketable Securities	1,009,378		1,009,378	2,336,402
Accounts Receivable, before Allowance for Credit Loss, Current	2,160,732		2,160,732	2,344,909
Accounts Receivable, Allowance for Credit Loss, Current	271,218		271,218	271,218
Accounts Receivable, after Allowance for Credit Loss, Current	1,889,514		1,889,514	2,073,691
Inventory, Finished Goods, Gross	5,745,850		5,745,850	5,683,755
Inventory Valuation Reserves				12,429
Inventory, Net	5,733,421		5,733,421	5,671,326
Inventory Deposits	$ 5,169,872		$ 5,169,872	4,829,933
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares) \| shares	608,266		608,266
Class of Warrant or Right, Outstanding (in shares) \| shares	1,389,584		1,389,584
Maximum Insured Funds, FDIC and SPIC	$ 750,000		$ 750,000
Maximum Cash Insured	500,000		500,000
Extra Insurance by SPIC, Cap, Unlimited Per Customer Securities	1,000,000,000		1,000,000,000
Impairment, Long-Lived Asset, Held-for-Use	$ 0			0
Number of Reporting Units	1
Goodwill	$ 14,682,620		14,682,620	14,682,620
Goodwill, Impairment Loss				$ 37,093,047
Research and Development Expense	70,888	$ 0
Share-Based Payment Arrangement, Expense	87,144
Adomani Inc [Member]
Goodwill	14,682,620		14,682,620
Three Vehicles [Member]
Inventory Valuation Reserves	$ 12,429		$ 12,429
Minimum [Member]
Investment, Maturity Period (Day)	154 days
Investment, Remaining Maturity Period (Day)	91 days
Property, Plant and Equipment, Useful Life (Year)	3 years		3 years
Maximum [Member]
Investment, Maturity Period (Day)	199 days
Investment, Remaining Maturity Period (Day)	182 years
Property, Plant and Equipment, Useful Life (Year)	5 years		5 years
Customer Concentration Risk [Member] \| Accounts Receivable [Member]
Number of Major Customers	6		4
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Six Customers [Member]
Concentration Risk, Percentage	74.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Five Customers [Member]
Concentration Risk, Percentage	74.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Twenty Customers [Member]
Concentration Risk, Percentage			100.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member]
Number of Major Customers	4
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Four Customers [Member]
Concentration Risk, Percentage	100.00%
Credit Concentration Risk [Member] \| Accounts Receivable [Member] \| Loans Insured or Guaranteed by US Government Authorities [Member]
Concentration Risk, Percentage	82.00%			70.00%
Supplier Concentration Risk [Member] \| Deposits Outstanding [Member] \| Three Suppliers [Member]
Number of Vendors	1
Supplier Concentration Risk [Member] \| Deposits Outstanding [Member] \| One Vendor [Member]
Concentration Risk, Percentage	92.00%
Fair Value, Recurring [Member]
Assets, Fair Value Disclosure	$ 0		$ 0
Liabilities, Fair Value Disclosure	$ 0		$ 0