Consolidated Statements of Income (Unaudited) (Parentheticals) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Nov. 30, 2016 |
Nov. 30, 2015 |
Nov. 30, 2016 |
Nov. 30, 2015 |
|
| Cost of sales, depreciation and amortization | $ 118,213 | $ 98,009 | $ 324,412 | $ 300,731 |