v3.26.1
Note 1 - Organization and Significant Accounting Policies - Schedule by Segment (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Revenue from Contract with Customer $ 5,763,358   $ 6,978,938           $ 9,237,504 $ 14,139,185  
Depreciation and amortization 520,368   513,201           990,394 829,840  
Depreciation and amortization 520,368   513,201           990,394 829,840  
Segment income (loss) (261,258) $ (1,328,632) 175,314 $ 1,264,060 $ (888,344) $ 583,101 $ 1,200,728 $ 468,196 (1,589,890) 1,439,374  
Expenditures for segment assets 5,014,789   2,788,903           5,006,961 3,217,274  
Segment assets 66,182,867   67,369,972           66,182,867 67,369,972 $ 65,136,584
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]                      
Depreciation and amortization 246,453   180,835           468,460 286,718  
Depreciation and amortization 246,453   180,835           468,460 286,718  
Segment income (loss) (3,676,960)   (4,637,161)           (7,139,396) (8,569,983)  
Expenditures for segment assets 4,688,062   23,197           4,688,062 27,137  
Segment assets 35,629,615   42,199,436           35,629,615 42,199,436  
Simulators and Accessories Segment [Member]                      
Revenue from Contract with Customer 3,556,105   4,502,244           4,771,529 8,266,580  
Simulators and Accessories Segment [Member] | Operating Segments [Member]                      
Depreciation and amortization 84,976   165,220           171,672 238,346  
Depreciation and amortization 84,976   165,220           171,672 238,346  
Segment income (loss) 890,102   2,433,140           1,039,973 5,324,460  
Expenditures for segment assets 0   451,772           51,992 464,643  
Segment assets 26,653,986   23,417,011           26,653,986 23,417,011  
Extended Service-type Warranties Segment [Member]                      
Revenue from Contract with Customer 900,326   1,074,306           1,775,260 2,044,417  
Extended Service-type Warranties Segment [Member] | Operating Segments [Member]                      
Segment income (loss) 1,175,165   1,148,142           2,007,130 2,180,509  
Expenditures for segment assets 0   0                
Customized Software and Content Segment [Member]                      
Revenue from Contract with Customer 181,052   30,841           481,052 199,454  
Customized Software and Content Segment [Member] | Operating Segments [Member]                      
Depreciation and amortization 249   249           498 498  
Depreciation and amortization 249   249           498 498  
Segment income (loss) 546,792   130,959           845,186 414,746  
Expenditures for segment assets 0   2,265,489           0 2,265,489  
Segment assets 2,714,002   365,638           2,714,002 365,638  
Design and Prototyping Segment [Member]                      
Revenue from Contract with Customer 0   29,861           0 1,145,751  
Design and Prototyping Segment [Member] | Operating Segments [Member]                      
Depreciation and amortization 22,141   22,141           44,281 44,281  
Depreciation and amortization 22,141   22,141           44,281 44,281  
Segment income (loss) 0   114,626           0 281,930  
Expenditures for segment assets 0   0                
Segment assets 0   248,548           0 248,548  
Installation and Training Segment [Member]                      
Revenue from Contract with Customer 152,057   307,850           249,441 508,554  
Installation and Training Segment [Member] | Operating Segments [Member]                      
Segment income (loss) (3,626)   96,527           2,478 93,279  
Expenditures for segment assets 0   0                
STEP Segment [Member]                      
Revenue from Contract with Customer 973,818   1,033,836           1,960,222 1,974,429  
STEP Segment [Member] | Operating Segments [Member]                      
Depreciation and amortization 166,549   144,756           305,483 259,997  
Depreciation and amortization 166,549   144,756           305,483 259,997  
Segment income (loss) 807,269   889,081           1,654,739 1,714,433  
Expenditures for segment assets 326,727   48,445           266,907 460,005  
Segment assets $ 1,185,264   $ 1,139,339           $ 1,185,264 $ 1,139,339