Debt Instrument, Debt Default, Amount of Working Capital

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- Definition

Description of business and basis of presentation.

+ References

No definition available.

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- Definition

Manufacturing locations.

+ References

No definition available.

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- Definition

Number of Contract Manufacturers

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No definition available.

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- Definition

Standard Product Warranty, Term, Maximum

+ References

No definition available.

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- Definition

Standard Product Warranty, Term, Minimum

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No definition available.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

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- Definition

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

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- Definition

The carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer, including sales, license fees, and royalties, but excluding interest income.

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

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-Publisher FASB
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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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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.

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- 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

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- Definition

The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder.

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- Definition

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers. For classified balance sheets, represents the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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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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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Description of Business and Basis of Presentation (Details Textual)	1 Months Ended	3 Months Ended
	Oct. 11, 2017 USD ($)	Mar. 31, 2018 USD ($) manufacturing_location contract_manufacturer	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Jan. 01, 2018 USD ($)	Sep. 25, 2017 USD ($)	Dec. 31, 2016 USD ($)
Description of Business and Basis of Presentation (Textual) [Abstract]
Manufacturing locations \| manufacturing_location		3
Deferred tax liability recorded associated with unremitted earnings of foreign subsidiary no longer considered indefinitely reinvested		$ 4,900,000
Warranty period, minimum, in years		1 year
Warranty period, maximum, in years		8 years
Accrued warranty liability		$ 1,237,000	$ 1,413,000		$ 1,298,000			$ 1,213,000
Deferred revenue and customer deposits		6,299,000	6,669,000			$ 6,151,000
Cash and cash equivalents		40,103,000	50,122,000
Working capital amount		62,500,000
Cost of revenue		22,735,000			20,578,000
Selling, general and administrative		9,572,000			9,592,000
Research and development		5,532,000			4,706,000
Line of Credit [Member]
Description of Business and Basis of Presentation (Textual) [Abstract]
Revolving line of credit		25,000,000.0
Borrowings outstanding		$ 5,000,000
Minimum
Description of Business and Basis of Presentation (Textual) [Abstract]
Estimated Useful Life (in years)		8 years
Maximum
Description of Business and Basis of Presentation (Textual) [Abstract]
Estimated Useful Life (in years)		14 years
China
Description of Business and Basis of Presentation (Textual) [Abstract]
Number of contract manufacturers \| contract_manufacturer		2
Convertible Senior Notes due 2022
Description of Business and Basis of Presentation (Textual) [Abstract]
Proceeds received	$ 43,000,000		5,700,000	$ 37,300,000
Principal amount	$ 6,000,000	$ 46,000,000	$ 46,000,000				$ 40,000,000
Scenario, Adjustment \| Accounting Standards Update 2017-07
Description of Business and Basis of Presentation (Textual) [Abstract]
Cost of revenue					83,000
Selling, general and administrative					52,000
Research and development					$ 20,000