Debt instrument maturity month and year.

No definition available.

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- Definition

Guarantee Fee, Percent

+ References

No definition available.

+ Details

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- Definition

Manufacturing and Development Fee, Percent

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Sourcing and inspection services fee, percent.

+ References

No definition available.

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- Definition

Amount of fees associated with providing collateral for the debt instrument.

+ References

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
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Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
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Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of interest expense incurred on a debt or other obligation to related party.

+ References

No definition available.

+ Details

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- 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.

+ References

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+ Details

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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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- 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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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- Definition

The cash outflow for a loan, supported by a promissory note, granted to related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth.

+ References

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-SubTopic 10
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-Paragraph 13
-Subparagraph (a)
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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

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Related Party Transactions - Additional Information (Details) ₩ in Billions					1 Months Ended		3 Months Ended		9 Months Ended
	Feb. 27, 2019	Aug. 08, 2018 USD ($)	Aug. 08, 2018 KRW (₩)	Sep. 09, 2016 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2018 KRW (₩)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 KRW (₩)	Dec. 31, 2018 USD ($)	Oct. 01, 2018
Related Party Transaction [Line Items]
Stated interest rate													3.50%
Long-term debt							$ 54,062,000		$ 54,062,000			$ 45,904,000
Debt instrument, collateral fees paid to DNI									0
Interest expense, related party							100,000	$ 100,000	300,000	$ 300,000
Research and product development							$ 9,898,000	$ 8,655,000	$ 29,512,000	$ 26,346,000
Term Loan \| Loan Agreement
Related Party Transaction [Line Items]
Stated interest rate							4.60%		4.60%		4.60%
Debt instrument maturity date	May 27, 2022
Long-term debt							$ 6,000,000		$ 6,000,000
Line of credit							6,000,000		6,000,000
DASAN \| Loan Agreement \| Dasan Network Solutions, Inc. (DNS)
Related Party Transaction [Line Items]
Stated interest rate					4.60%	4.60%
Origination of notes receivable from related parties					$ 5,800,000	₩ 6.5
Debt instrument maturity date	May 27, 2022
Long-term debt							$ 1,300,000		$ 1,300,000		₩ 1.5
Repayments of borrowings		$ 4,500,000	₩ 5.0
DASAN \| Majority Shareholder
Related Party Transaction [Line Items]
Guarantee fee, percent									0.90%
DASAN \| Junior Lien \| Majority Shareholder \| Loan Agreement \| Dasan Network Solutions, Inc. (DNS)
Related Party Transaction [Line Items]
Stated interest rate							4.60%		4.60%		4.60%
Origination of notes receivable from related parties									$ 1,800,000
Debt instrument maturity date	May 27, 2022
Long-term debt							$ 1,800,000		$ 1,800,000
DASAN \| Junior Lien \| Term Loan \| Unsecured Debt \| Majority Shareholder \| Loan Agreement
Related Party Transaction [Line Items]
Maximum borrowing amount				$ 5,000,000
Debt instrument maturity month and year				2021-09
Stated interest rate				4.60%
Chasan Networks Co., Ltd \| Junior Lien \| Affiliated Entity \| Loan Agreement \| Dasan Network Solutions, Inc. (DNS)
Related Party Transaction [Line Items]
Manufacturing and development fee, percent							7.00%		7.00%		7.00%
Tomato Soft Ltd. \| Junior Lien \| Affiliated Entity \| Loan Agreement \| Dasan Network Solutions, Inc. (DNS)
Related Party Transaction [Line Items]
Sourcing and inspection services fee, percent							7.00%		7.00%		7.00%
Tomato Soft (Xi'an) Ltd.
Related Party Transaction [Line Items]
Research and product development									$ 800,000