Note 12 - FTD Loss Contingency (Details Textual) - USD ($) |
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Feb. 29, 2020 |
Nov. 30, 2019 |
Aug. 31, 2019 |
May 31, 2019 |
Feb. 28, 2019 |
Nov. 30, 2018 |
Aug. 31, 2018 |
May 31, 2018 |
Feb. 29, 2020 |
Feb. 28, 2019 |
|
| Revenues, Total | $ 8,125,275 | $ 7,913,252 | $ 7,385,270 | $ 8,425,999 | $ 9,429,527 | $ 8,949,747 | $ 7,800,088 | $ 8,366,085 | $ 31,849,796 | $ 34,545,447 |
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | ||||||||||
| Revenues, Total | $ 1,500,000 | $ 3,100,000 | ||||||||
| Concentration Risk, Percentage | 5.00% | 9.00% | ||||||||
| Revenue Benchmark [Member] | Customer Concentration Risk [Member] | FTD [Member] | ||||||||||
| Revenues, Total | $ 1,500,000 | $ 3,100,000 | ||||||||
| Concentration Risk, Percentage | 5.00% | 9.00% | ||||||||
| FTD's Bankruptcy [Member] | ||||||||||
| Loss Contingency, Estimate Loss of Inventory | $ 230,384 | |||||||||