| Subsequent Events (Details) - USD ($) | 1 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
| Mar. 08, 2017 | Nov. 30, 2015 | Jan. 31, 2017 | Jan. 31, 2016 | |
| Proceeds from lines of credit | $ 1,100,000 | $ 1,250,000 | ||
| Subsequent Event [Member] | Scenario, Plan [Member] | ||||
| Acquisition price for university | $ 9,000,000 | |||
| Loan in connection with acquisition | $ 900,000 | |||
| Interest rate for acquisition loan | 8.00% | |||
| Cash due at closing | $ 2,500,000 | |||
| Proceeds from lines of credit | $ 900,000 | |||
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- Definition Interest rate for the loan issued to the acquired entity under the business combination. No definition available. 
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of liabilities assumed at the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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- Details 
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