NEXGEL, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies and Estimates (Policies)
Notes Tables
Notes Details

Concentration and risks (Details)

v3.20.1

Concentration and risks (Details) - USD ($)	12 Months Ended		24 Months Ended
Concentration and risks (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019
Concentration Risk [Line Items]
Customer revenue decreased			$ 1,500,000
Loss on sales		$ 1,000,000
Revenues
Concentration Risk [Line Items]
Number of major customers	$ 4	$ 2
Revenues \| Customer risk \| Customer One
Concentration Risk [Line Items]
Significant credit risk	38.00%	63.00%
Revenues \| Customer risk \| Customer Two
Concentration Risk [Line Items]
Significant credit risk	17.00%	14.00%
Revenues \| Customer risk \| Customer Three
Concentration Risk [Line Items]
Significant credit risk	13.00%
Revenues \| Customer risk \| Customer Four
Concentration Risk [Line Items]
Significant credit risk	10.00%
Accounts Receivable
Concentration Risk [Line Items]
Number of major customers	$ 4	$ 2
Accounts Receivable \| Accounts receivable risk \| Customer One
Concentration Risk [Line Items]
Significant credit risk	0.00%	0.00%
Accounts Receivable \| Accounts receivable risk \| Customer Two
Concentration Risk [Line Items]
Significant credit risk	13.00%	0.00%
Accounts Receivable \| Accounts receivable risk \| Customer Three
Concentration Risk [Line Items]
Significant credit risk	0.00%
Accounts Receivable \| Accounts receivable risk \| Customer Four
Concentration Risk [Line Items]
Significant credit risk	34.00%

- Definition

For an entity that discloses a concentration risk as a percentage of some financial balance or benchmark, this item identifies the number of customers of the concentration.

+ References

No definition available.

+ Details

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Namespace Prefix:	topp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Its represent the contract with customer, for loss on sales.

+ References

No definition available.

+ Details

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- Definition

The increase (decrease) during the reporting period of the amount of contract with customer.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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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.

+ References

No definition available.

+ Details

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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- Details

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