Represents the purchase price of the underlying equipment at the end of the capital lease term.

No definition available.

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The term of the capital lease.

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No definition available.

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Represents the number of quarterly installments for payable of remaining loan principal.

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No definition available.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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- References

No definition available.

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- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

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- Definition

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

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- Definition

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

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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.

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No definition available.

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Amount of the required periodic payments applied to principal.

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- 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.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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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.

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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.

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No definition available.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Borrowings - Term Loan and Master Lease Agreement (Details)					12 Months Ended			48 Months Ended
	Dec. 21, 2017 USD ($) installment	Dec. 30, 2015 USD ($) installment	Jul. 29, 2013 USD ($)	Jun. 01, 2011 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	May 31, 2015 USD ($)	Aug. 10, 2012 USD ($)
Master Lease Agreement
Obligations under capital lease						$ 3,269,000
Interest expense including amortization of debt issuance costs and net settlement payments on interest rate swaps					$ 2,000,000	$ 2,200,000	$ 1,800,000
H-P Loan
Term Loan
Term of Term Loan Agreement		5 years
Term debt		$ 3,600,000
Number of quarterly installments for payable of remaining loan principal \| installment		20
Repayment of principal in quarterly installments		$ 195,000
Schedule of remaining principal payments
2018					715,000
2019					737,000
2020					759,000
2021					193,000
Total					2,404,000
Master Lease Agreement
Accrued interest (as a percent)		2.95%
H-P Veritas Loan
Term Loan
Term of Term Loan Agreement	3 years
Term debt	$ 700,000
Number of quarterly installments for payable of remaining loan principal \| installment	3
H-P Veritas Loan \| Principal payable in January 2018
Term Loan
Repayment of principal in quarterly installments					239,996
H-P Veritas Loan \| Principal payable in January 2019
Term Loan
Repayment of principal in quarterly installments					229,994
H-P Veritas Loan \| Principal payable in March 2019
Term Loan
Repayment of principal in quarterly installments					229,994
Equipment Loan Agreement
Term Loan
Term of Term Loan Agreement				4 years
Term debt				$ 25,500,000
Repayment of principal in quarterly installments								$ 530,600
Interest Rate								one month LIBOR rate for dollar deposits
Master Lease Agreement
Accrued interest (as a percent)								3.00%
Master Lease Agreement
Master Lease Agreement
Master lease facility, amount					$ 5,000,000				$ 25,000,000
Obligations under capital lease			$ 21,200,000
Accrued interest (as a percent)			3.39%
Term of capital lease			48 months		48 months
Ending purchase price of underlying assets			$ 1						$ 1