NATURE OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES - Fair value and classification by level of input (Details 1) - Fair Value |
Feb. 28, 2018
USD ($)
|
|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Contingent consideration liability | $ 1,650,000 |
| Quoted Prices in Active Markets for Identical Assets (Level 1) | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Contingent consideration liability | 0 |
| Significant Other Observable Inputs (Level 2) | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Contingent consideration liability | 0 |
| Significant Unobservable Inputs (Level 3) | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Contingent consideration liability | $ 1,650,000 |