Debt (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Mar. 11, 2014
Debt Instrument [Line Items]
Borrowing availability	$ 20,000,000	$ 20,000,000
Debt instrument term	3 years
Maximum borrowing availability	25,000,000	30,000,000
Bank's prime lending rate (in hundredths)	3.25%
Description of variable credit basis	LIBOR
Outstanding balance on line of credit	5,000,000us-gaap_LineOfCredit
Line of credit facility interest rate (in hundredths)	2.19%
Weighted average interest rate (in hundredths)	2.64%us-gaap_DebtWeightedAverageInterestRate
Mortgage	919,000us-gaap_SecuredDebt
Maturity date	Nov. 01, 2019
Fixed interest percentage rate (in hundredths)	4.05%
Period considered for new rate	5 years
Debt instrument additional basis points to new rate (in hundredths)	2.25%
Annual mortgage payment	206,000us-gaap_DebtInstrumentPeriodicPayment
Future principal payments under the stock purchase agreement and its mortgage:
2015	3,173,000
2016	2,000,000
2017	188,000
2018	195,000
2019	183,000
Total	5,739,000us-gaap_LongTermDebt
Brinks indebtedness [Member]
Debt Instrument [Line Items]
Brinks note payable	5,000,000
Carry value of Brinks indebtedness	4,800,000
Brinks indebtedness [Member] \| Tranche One [Member]
Debt Instrument [Line Items]
Maturity date	Sep. 18, 2015
Debt repayment amounts	3,000,000
Brinks indebtedness [Member] \| Tranche Two [Member]
Debt Instrument [Line Items]
Maturity date	Sep. 18, 2016
Debt repayment amounts	$ 2,000,000
LIBOR [Member]
Debt Instrument [Line Items]
Basis spread rate minimum (in hundredths)	1.50%
Basis spread rate maximum (in hundredths)	2.00%

Refers to additional basis points added to fixed advanced rate charged by the New York Federal Home Loan bank.

No definition available.

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- Definition

Refers to period of fixed advanced rate charged by the New York Federal Home Loan bank, considered for new rate.

+ References

No definition available.

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- Definition

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

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

When presenting a range of interest rates, the highest effective rate for funds borrowed under the debt agreement as of the balance sheet date.

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- Definition

When presenting a range of interest rates, the lowest effective rate for funds borrowed under the debt agreement as of the balance sheet date.

+ References

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- Definition

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

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- Definition

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

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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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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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- Definition

Gross amount of debt extinguished.

+ 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

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

The effective interest rate at the end of the reporting period.

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- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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The effective interest rate during the reporting period.

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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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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

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 fifth 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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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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