XML 56 R42.htm IDEA: XBRL DOCUMENT v3.23.3
Note 4 - Property and Equipment, Net (Details Textual)
12 Months Ended
Feb. 28, 2023
USD ($)
ft²
Aug. 31, 2023
USD ($)
Aug. 31, 2022
USD ($)
Payments to Acquire Property, Plant, and Equipment   $ 3,247,652 $ 1,496,674
Depreciation expense   $ 1,042,505 $ 938,489
Property Immediately Adjacent to NTIC’s Headquarters in Circle Pines, Minnesota [Member]      
Area of Real Estate Property | ft² 26,000    
Payments to Acquire Property, Plant, and Equipment $ 1,200,000