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Summary of Significant Accounting Policies (Details) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Accounting Policies [Line Items] |  |
Allowance for doubtful accounts | $ 1,000,000.0 | $ 820,000
Dilutive securities outstanding | 436,000 | 330,000
Advertising costs | $ 435,000 | $ 377,000
Accumulated amortization, net | $ 343,000 | $ 152,000
Leasehold improvements [Member] |  |
Accounting Policies [Line Items] |  |
Useful life of property and equipment | shorter of ten years or the remaining lease term |
Revenue Benchmark [Member] | Supplier Concentration Risk [Member] | Manufacturers and suppliers [Member] |  |
Accounting Policies [Line Items] |  |
Concentration Risk, Percentage | 62.00% | 63.00%
2015 Equity Incentive Plan [Member] |  |
Accounting Policies [Line Items] |  |
Awards granted under 2015 Equity Incentive Plan | 204,014 | 28,110
Computer Software [Member] |  |
Accounting Policies [Line Items] |  |
Accumulated amortization, net | $ 29,000 |
Restricted stock [Member] |  |
Accounting Policies [Line Items] |  |
Awards granted under 2015 Equity Incentive Plan | 8,624 | 187,169
Dilutive securities outstanding | 866,970 | 735,040
Stock Awards [Member] |  |
Accounting Policies [Line Items] |  |
Awards granted under 2015 Equity Incentive Plan | 204,014 | 13,550
Common Stock [Member] |  |
Accounting Policies [Line Items] |  |
Awards granted under 2015 Equity Incentive Plan | 5,262 |
Restricted Stock Awards [Member] |  |
Accounting Policies [Line Items] |  |
Antidilutive securities | 306,202 | 307,790
Minimum [Member] | Furniture and equipment [Member] |  |
Accounting Policies [Line Items] |  |
Useful life of property and equipment | 5 years |
Minimum [Member] | Restricted stock [Member] |  |
Accounting Policies [Line Items] |  |
Percentage of retainage of contract billings | 5.00% |
Estimated future period of customer-related intangibles, non-compete, and other finite-lived intangible assets | 5 years |
Maximum [Member] | Furniture and equipment [Member] |  |
Accounting Policies [Line Items] |  |
Useful life of property and equipment | 7 years |
Maximum [Member] | Restricted stock [Member] |  |
Accounting Policies [Line Items] |  |
Percentage of retainage of contract billings | 20.00% |
Estimated future period of customer-related intangibles, non-compete, and other finite-lived intangible assets | 10 years |
At a point in time [Member] | Commercial and vended laundry parts and equipment sales [Member] |  |
Accounting Policies [Line Items] |  |
Revenue, Remaining Performance Obligation, Percentage | 82.00% | 87.00%
Recognized over time [Member] | Service contracts [Member] |  |
Accounting Policies [Line Items] |  |
Revenue, Remaining Performance Obligation, Percentage | 18.00% | 13.00%

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