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Organization and Significant Accounting Policies (Details Narrative) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Product Information [Line Items]
Revenue	$ 6,753,228	$ 4,441,909
Customer deposits, current	4,680,653		$ 4,135,565
Revenue recognized	669,510	$ 712,708
FDIC insured amount	250,000
Uninsured cash and cash equivalents	$ 15,184,899		19,207,786
Anti-dilutive securities excluded from computation of earnings per share	0	0
Warranty [Member] \| One Year or Less [Member]
Product Information [Line Items]
Extended warranties	$ 1,391,586		1,764,034
Warranty [Member] \| Longer Than One Year [Member]
Product Information [Line Items]
Extended warranties	2,089,195		1,815,871
Warranty [Member] \| One Year [Member]
Product Information [Line Items]
Extended warranties	385,000		384,000
Deferred Revenue [Member]
Product Information [Line Items]
Customer deposits, current	3,289,067		$ 2,371,531
Revenue from Contract with Customer Benchmark [Member] \| Customer Concentration Risk [Member] \| Government Customers [Member]
Product Information [Line Items]
Revenue	$ 4,054,186	$ 2,935,718
Concentration of credit risk	60.00%	66.00%
Revenue from Contract with Customer Benchmark [Member] \| Customer Concentration Risk [Member] \| Commercial Customers [Member]
Product Information [Line Items]
Revenue	$ 1,623,544	$ 330,333
Concentration of credit risk	24.00%	7.00%
Revenue from Contract with Customer Benchmark [Member] \| Customer Concentration Risk [Member] \| International Customers [Member]
Product Information [Line Items]
Revenue	$ 1,075,498	$ 1,175,858
Concentration of credit risk	16.00%	27.00%
Revenue from Contract with Customer, Product and Service Benchmark [Member] \| Customer Concentration Risk [Member] \| One Commercial Customer [Member]
Product Information [Line Items]
Concentration of credit risk	16.00%
Revenue from Contract with Customer, Product and Service Benchmark [Member] \| Customer Concentration Risk [Member] \| One Federal Agency [Member]
Product Information [Line Items]
Concentration of credit risk		10.00%
Revenue from Contract with Customer, Product and Service Benchmark [Member] \| Customer Concentration Risk [Member] \| One Foreign Agency [Member]
Product Information [Line Items]
Concentration of credit risk		22.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| One State Agency [Member]
Product Information [Line Items]
Concentration of credit risk			10.00%