| Schedule of Income Tax Expense | The components of income tax expense are as follows: 
|  |  |  |  |  |  |  |  |  |  |  |  |  
|  | Years Ended April 30, |  
|  | 2022 |  | 2021 |  
| Current income tax expense: |  |  |  |  
| Federal | $ | —Ìý |  |  | $ | —Ìý |  |  
| State | 27,400Ìý |  |  | 32,644Ìý |  |  
| Foreign | 400,000Ìý |  |  | —Ìý |  |  
| Current income tax expense | 427,400Ìý |  |  | 32,644Ìý |  |  
| Deferred income tax expense: |  |  |  |  
| Federal | —Ìý |  |  | —Ìý |  |  
| State | —Ìý |  |  | —Ìý |  |  
| Foreign | —Ìý |  |  | —Ìý |  |  
| Deferred income tax expense | —Ìý |  |  | —Ìý |  |  
| Income tax expense | $ | 427,400Ìý |  |  | $ | 32,644Ìý |  |  | 
| Schedule of Deferred Income Tax Assets and Liabilities | Significant components of the Company's deferred income tax assets and liabilities are as follows: 
|  |  |  |  |  |  |  |  |  |  |  |  |  
|  | April 30, |  
|  | 2022 |  | 2021 |  
| Deferred tax assets: |  |  |  |  
| Net operating loss carryforward | $ | 18,095,495Ìý |  |  | $ | 15,737,351Ìý |  |  
| Allowance for doubtful accounts | 897,965Ìý |  |  | 1,009,273Ìý |  |  
| Deferred rent | 192,284Ìý |  |  | 252,479Ìý |  |  
| Stock-based compensation | 870,245Ìý |  |  | —Ìý |  |  
| Contributions carryforward | 11,089Ìý |  |  | 11,013Ìý |  |  
| Accrued compensation | 43,176Ìý |  |  | —Ìý |  |  
| Warrant amortization | 17,888Ìý |  |  | —Ìý |  |  
| Intangibles | —Ìý |  |  | —Ìý |  |  
| Interest expense limitation carryforward | 717,919Ìý |  |  | 86,485Ìý |  |  
| Total deferred tax assets | 20,846,061Ìý |  |  | 17,096,601Ìý |  |  
|  |  |  |  |  
| Deferred tax liabilities: |  |  |  |  
| Property and equipment | (1,000,092) |  |  | (356,473) |  |  
| Intangibles | (463,074) |  |  | (186,063) |  |  
| Stock-based compensation | —Ìý |  |  | (1,778,017) |  |  
| Total deferred tax liabilities | (1,463,166) |  |  | (2,320,553) |  |  
|  |  |  |  |  
| Deferred tax assets, net | $ | 19,382,895Ìý |  |  | $ | 14,776,048Ìý |  |  
|  |  |  |  |  
| Valuation allowance: |  |  |  |  
| Beginning of year | (14,776,048) |  |  | (12,399,948) |  |  
| Increase during period | (4,606,847) |  |  | (2,376,100) |  |  
| Ending balance | (19,382,895) |  |  | (14,776,048) |  |  
|  |  |  |  |  
| Net deferred tax asset | $ | —Ìý |  |  | $ | —Ìý |  |  |