Note 3 - Balance Sheet Accounts (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

	December 31, 2025			December 31, 2024
Accounts receivable	$	3,491,015		$	1,448,935
Less: Allowance for credit losses*		(42,106	)		(16,465	)
Accounts receivable, net	$	3,448,909		$	1,432,470

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

	Percent of total revenue for years ended December 31,
Customers	2025			2024
Customer A		11.0	%		15.7	%
Customer B		17.0	%		—	%

Schedule of Inventory, Current [Table Text Block]

	December 31,
	2025			2024
Raw materials	$	3,788,631		$	3,488,703
Work in process		820,398			912,397
Finished goods		1,522,861			1,527,975
Gross inventories		6,131,890			5,929,075
Less: Provision for obsolescence		(469,506	)		(453,218	)
Inventories, net	$	5,662,384		$	5,475,857

Property, Plant and Equipment [Table Text Block]

	Estimated Useful Life		December 31,
Type	(Years)		2025			2024
Leasehold improvements		3	$	89,272		$	89,272
Production tools and equipment		5		1,020,815			874,995
Computer and office equipment		3 - 5		377,058			359,113
Furniture		5		60,559			58,880
Drone equipment		3		83,733			130,163
Total property and equipment				1,631,437			1,512,423
Less: Accumulated depreciation				(1,299,619	)		(1,056,831	)
Total property and equipment, net			$	331,818		$	455,592

Depreciation [Table Text Block]

	For the Years Ended December 31,
Type	2025		2024
General and administrative	$	809,731	$	1,076,081

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

	December 31,
	2025		2024
Accrued compensation and related liabilities		828,006		569,079
Provision for warranty expense		242,705		258,122
Accrued dividends		948,532		746,666
Accrued professional fees		172,036		652,530
Accrued interest		—		47,123
Other		109,405		87,255
Total accrued liabilities	$	2,300,684	$	2,360,775