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v3.26.1

Note G - Geographic and Other Information - Sales to Major Customers (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Gross Sales | $ 11,617,613 | $ 13,447,995
Customer A [Member] |  |
Gross Sales | 2,593,213 | 5,387,048
Customer B [Member] |  |
Gross Sales | 2,590,260 | 2,239,705
Customer C [Member] |  |
Gross Sales | 1,874,068 | 1,831,551
Customer D [Member] |  |
Gross Sales | 1,596,088 | 1,331,544
All Other Customers [Member] |  |
Gross Sales | $ 2,963,984 | $ 2,658,147

X
- Definition Gross Amount before sales allowance and return, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. + References No definition available. + Details
Name: | ug_RevenueFromContractWithCustomerIncludingAssessedTaxGross
Namespace Prefix: | ug_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_MajorCustomersAxis=ug_CustomerAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=ug_CustomerBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
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X
- Details
Name: | srt_MajorCustomersAxis=ug_CustomerCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=ug_CustomerDMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MajorCustomersAxis=ug_AllOtherCustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |