| Commitments and Contingencies (Details) - USD ($) | 3 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
| Feb. 08, 2019 | Jul. 31, 2020 | Jun. 02, 2020 | Apr. 30, 2020 | Oct. 15, 2015 | Sep. 29, 2015 | Feb. 11, 2013 | |
| Other Commitments [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Estimate of potential loss | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 2,200,000 | 
| Return of unearned funds, no later than (in days) | Ìý | 45 days | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Letter of Credit | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Other Commitments [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Letters of credit outstanding, amount | Ìý | Ìý | Ìý | $ 255,708 | Ìý | Ìý | Ìý | 
| HEMG | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Other Commitments [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Amount of default judgment in litigation matter | Ìý | Ìý | Ìý | Ìý | Ìý | $ 772,793 | Ìý | 
| Number of AGI common stock remaining as sole asset in bankruptcy claim (in shares) | Ìý | Ìý | Ìý | Ìý | 208,000 | Ìý | Ìý | 
| Number of AGI common stock filed in bankruptcy claim by third party (in shares) | Ìý | Ìý | Ìý | Ìý | 167,000 | Ìý | Ìý | 
| Amount of claim filed | $ 888,638 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Loss contingency, damages sought, value | 200,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Amount available for distribution | $ 924,486 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 
| Fees due to trustee | Ìý | Ìý | $ 346,480 | Ìý | Ìý | Ìý | Ìý | 
| Settlement liability | Ìý | Ìý | $ 574,145 | Ìý | Ìý | Ìý | Ìý | 
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- Definition Amount of default judgment in litigation matter. No definition available. 
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- Definition Bankruptcy Claims, Amount Available for Distribution No definition available. 
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- Definition Bankruptcy Claims, Fees Due to Trustee No definition available. 
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- Definition Bankruptcy Claims, Settlement Liability No definition available. 
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- Definition Loss Contingency, Title IV Programs, Return of Unearned Funds, Term No definition available. 
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- Definition Number of AGI common stock remaining as sole asset in bankruptcy claim. No definition available. 
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- Definition Number of AGI common stock filed in bankruptcy claim by third party. No definition available. 
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- Definition Amount of bankruptcy claim filed with bankruptcy court. No definition available. 
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available. 
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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