Represents the amount of Back end fee at the time of execution of note.

No definition available.

Name:	nete_BackEndRefinancingFee
Namespace Prefix:	nete_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

This element represent that percentage of backend end fee at the time final payment of note.

+ References

No definition available.

+ Details

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- Definition

This element represent that percentage of front end fee at the time of execution of note.

+ References

No definition available.

+ Details

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- Definition

The amount of payment for front end refinancing fee.

+ References

No definition available.

+ Details

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- Definition

The amount of interest extension term fee incurred during the year.

+ References

No definition available.

+ Details

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- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
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-SubTopic 10
-Section 50
-Paragraph 5
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Period Type:	duration

- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 5
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-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
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Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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- Definition

Face (par) amount of debt instrument at time of issuance.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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-Paragraph 8
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-Paragraph 2
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Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

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-SubTopic 30
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-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the required periodic payments applied to interest.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

Discussion of the facts and amounts pertaining to each failure to comply with an affirmative or negative covenant of a long-term debt instrument, including violating payment terms or an inability to meet certain minimum financial requirements or achieve or maintain certain financial ratios. The discussion would generally be expected to also include whether or not the failure can and will be overcome and a description of the terms of any waivers, including the amount of the waiver and the period of time covered by the waiver, and if reclassification of long-term debt to current has been made in the current balance sheet.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6802200&loc=SL6230698-112601

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(c))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
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-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:
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Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=nete_MbfMerchantCapitalLlcMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=nete_PromissoryNoteOneMember
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DEBT (Details Narrative) - USD ($)						1 Months Ended										3 Months Ended
DEBT (Details Narrative) - USD ($)	Mar. 20, 2018	Dec. 31, 2017	Aug. 29, 2017	May 18, 2017	Jun. 30, 2014	Oct. 31, 2017	Aug. 31, 2017	Jul. 31, 2017	Jun. 30, 2017	May 31, 2017	Apr. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Mar. 31, 2018	Jun. 27, 2017	May 02, 2016
Noncontrolling Interest [Line Items]
Long-term Debt		$ 7,015,422														$ 6,499,587
Priority Payment Systems LLC [Member]
Noncontrolling Interest [Line Items]
Line of credit facility, maximum borrowing capacity																2,500,000
Long-term line of credit																1,881,977
Debt instrument, interest rate during period		10.25%
Repayments of lines of credit																356,533
Proceeds from issuance of debt				$ 2,000,000												0
MBF Merchant Capital LLC [Member] \| Promissory Note One [Member]
Noncontrolling Interest [Line Items]
Debt instrument, periodic payment															$ 14,617
Debt instrument, face amount															$ 300,000
Debt instrument, interest rate during period															15.50%
Backend fee percentage															6.00%
Long-term Debt		$ 74,177														28,677
Priority Payment Systems LLC [Member]
Noncontrolling Interest [Line Items]
Line of credit facility, maximum borrowing capacity																	$ 2,500,000
Backend fee percentage				6.00%
RBL Capital Group, LLC [Member]
Noncontrolling Interest [Line Items]
Debt instrument, periodic payment	$ 85,634						$ 2,945	$ 121,810	$ 124,607	$ 2,065	$ 108,759	$ 2,753	$ 110,814
Debt instrument, face amount	$ 4,544,807						$ 106,000		$ 4,044,055	75,000	400,000	$ 100,000	4,044,055			4,438,086
Debt conversion, converted instrument, amount										$ 150,000	$ 75,000
Number of shares issued for debt conversion										23,058	10,235
Line of credit facility, maximum borrowing capacity					$ 10,000,000
Debt instrument, periodic payment, interest											$ 11,011		$ 47,686
Long-term line of credit											$ 4,044,055
Debt instrument, interest rate during period	14.19%				13.90%		14.90%		14.19%	14.40%	14.40%	14.40%	14.15%
Debt instrument, term					18 months
Front end fee percentage							2.00%			2.00%	2.00%	2.00%
Backend fee percentage							4.00%			4.00%	4.00%	4.00%
Back end refinancing fee	$ 133,600												$ 104,600
Front end refinancing fee													$ 20,000
Interest extension term fee						$ 12,000
Periodic balloon payment to be paid	$ 3,170,967
RBL Capital Group, LLC [Member] \| Minimum [Member]
Noncontrolling Interest [Line Items]
Line of credit facility, maximum borrowing capacity																		$ 10,000,000
RBL Capital Group, LLC [Member] \| Maximum [Member]
Noncontrolling Interest [Line Items]
Line of credit facility, maximum borrowing capacity																		$ 15,000,000
RBL Capital Group, LLC [Member] \| Letter of Credit [Member]
Noncontrolling Interest [Line Items]
Line of credit facility, maximum borrowing capacity																10,455,912
Debt instrument, debt default, description of violation or event of default					After November 30, 2015 carry interest at an additional three percent per annum until repaid in full, with other amounts, obligations or payments due carrying an annual default rate not to exceed the lesser of (i) the prime rate plus 13% per annum and (ii) 18.635% per annum.
RBL Capital Group, LLC [Member] \| Letter of Credit [Member] \| Prime Rate [Member]
Noncontrolling Interest [Line Items]
Debt instrument, basis spread on variable rate					10.65%
RBL Capital Group, LLC [Member]
Noncontrolling Interest [Line Items]
Debt instrument, periodic payment										$ 4,129
Debt instrument, face amount										$ 150,000
Debt instrument, interest rate during period										14.40%
Front end fee percentage										2.00%
Backend fee percentage										4.00%
TOT Group [Member] \| MBF Merchant Capital LLC [Member]
Noncontrolling Interest [Line Items]
Debt instrument, periodic payment														$ 17,224
Debt instrument, face amount														$ 353,500
Debt instrument, interest rate during period														15.50%
Front end fee percentage														1.00%
Backend fee percentage														6.60%
Long-term Debt		98,829														50,366
TOT Group [Member] \| MBF Merchant Capital LLC [Member] \| Promissory Note Two [Member]
Noncontrolling Interest [Line Items]
Debt instrument, periodic payment			$ 29,289
Debt instrument, face amount			$ 275,000
Debt instrument, interest rate during period			13.95%
Front end fee percentage			2.00%
Backend fee percentage			4.00%
Long-term Debt		$ 168,798														$ 85,862