Capital Lease Term

No definition available.

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- Definition

Deferred Finance Costs, Amortization Period

+ References

No definition available.

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- Definition

New Markets Tax Credit Investment

+ References

No definition available.

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- Definition

New Markets Tax Credit, Recapture Period

+ References

No definition available.

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- Definition

Number Of Capitalized Lease Agreements

+ References

No definition available.

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- Definition

Number Of Loan Agreements

+ References

No definition available.

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- Definition

Percent Of Advance Rate, Debt

+ References

No definition available.

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- Definition

Ratio Cash Flow To Fixed Charges

+ References

No definition available.

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- Definition

Ratio Of Total Liabilities To Tangible Net Worth

+ References

No definition available.

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- Definition

Required Maximum Ratio Of Total Liabilities To Tangible Net Worth Under Agreement

+ References

No definition available.

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- Definition

Required Minimum Ratio Of Cash Flow To Fixed Charges Under Agreement

+ References

No definition available.

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- Definition

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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- Definition

The increase during the period in capital lease obligations due to entering into new capital leases.

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- Definition

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

+ References

No definition available.

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- Definition

Amount of assets pledged to secure a debt instrument.

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- Definition

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

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

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

+ References

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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.

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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

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Aggregate amount of interest paid or due on all long-term debt.

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- Definition

Amount of interest payable on debt, including, but not limited to, trade payables.

+ References

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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

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

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- Definition

Amount of long-term debt and capital lease obligations including current maturities.

+ References

No definition available.

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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.

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An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date more than one year from the balance sheet date, net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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Loans Payable and Long-Term Debt (Narrative) (Details)		3 Months Ended	12 Months Ended				28 Months Ended	60 Months Ended
Loans Payable and Long-Term Debt (Narrative) (Details)	Jan. 25, 2016 USD ($)	Apr. 30, 2016 USD ($)	Apr. 30, 2017 USD ($)	Apr. 30, 2016 USD ($)	Apr. 30, 2015 USD ($)	Dec. 31, 2005 loan	Apr. 30, 2015 USD ($) lease	Apr. 30, 2017 USD ($) lease
Debt Instrument [Line Items]
LIBOR rate			0.995%					0.995%
Spread on interest rate			1.50%
Required maximum ratio of total liabilities to tangible net worth under agreement			140.00%
Required minimum ratio of cash flow to fixed charges under agreement			150.00%
Ratio of total liabilities to tangible net worth			42.00%
Ratio cash flow to fixed charges			494.00%
Debt, outstanding balance			$ 16,877,000					$ 16,877,000
New Markets Tax Credit Investment	$ 2,300,000
New Markets Tax Credit, Recapture Period	7 years
Interest paid under agreement and capital leases			600,000	$ 500,000	$ 500,000
Notes Payable to Banks [Member]
Debt Instrument [Line Items]
LIBOR rate	1.20%
Loan agreement amount	$ 6,600,000
Loan term	30 years
Debt issuance costs	$ 300,000
Deferred Finance Costs, Amortization Period	30 years
Other Noncurrent Assets [Member]
Debt Instrument [Line Items]
Notes, Loans and Financing Receivable, Net, Noncurrent	$ 4,300,000
Long-term Debt [Member]
Debt Instrument [Line Items]
Amount drawn on loan		$ 3,200,000	$ 5,900,000	3,200,000				5,900,000
Eligible Accounts Receivable [Member]
Debt Instrument [Line Items]
Advanced rate			75.00%
Eligible Pre Bill Reserves [Member]
Debt Instrument [Line Items]
Advanced rate			50.00%
Equipment Value [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 20,000,000					$ 20,000,000
Board Of County Commissioners Of Garrett County [Member]
Debt Instrument [Line Items]
Fixed interest rate			3.00%					3.00%
Value of land and associated site improvements			$ 3,500,000					$ 3,500,000
Accrued interest			$ 1,600,000					$ 1,600,000
Board Of County Commissioners Of Garrett County [Member] \| Other Income (Expense) [Member]
Debt Instrument [Line Items]
Loss on loan settlement		(1,900,000)
Allegany County, Maryland Site [Member]
Debt Instrument [Line Items]
Fixed interest rate			3.00%					3.00%
Debt, outstanding balance			$ 2,200,000					$ 2,200,000
Number of loan agreements \| loan						2
First American Financial Bancorp [Member]
Debt Instrument [Line Items]
Number of capitalized lease agreements \| lease								22
Capital lease obligations incurred								$ 3,500,000
Capital lease term			48 months
Capital lease agreement		1,100,000	$ 1,400,000	1,100,000				1,400,000
e-Plus Group [Member]
Debt Instrument [Line Items]
Number of capitalized lease agreements \| lease							21
Capital lease obligations incurred							$ 2,300,000
Capital lease term							51 months
Capital lease agreement			$ 1,000,000					$ 1,000,000
West Virginia Economic Development Authority [Member]
Debt Instrument [Line Items]
Fixed interest rate			2.00%					2.00%
Debt, outstanding balance		5,000,000	$ 4,400,000	5,000,000				$ 4,400,000
Capital lease agreement			$ 10,000,000					$ 10,000,000
West Virginia Economic Development Authority [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage			3.00%					3.00%
West Virginia Economic Development Authority, Originated in 2015 [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Loan agreement amount			$ 1,500,000					$ 1,500,000
West Virginia Economic Development Authority, Originated in 2016 [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Loan agreement amount			800,000.0					800,000.0
Wells Fargo [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			35,000,000					35,000,000
Amount oustanding		$ 10,000,000	$ 0	$ 10,000,000				$ 0
Minimum [Member] \| First American Financial Bancorp [Member]
Debt Instrument [Line Items]
Market interest rate			3.50%					3.50%
Minimum [Member] \| e-Plus Group [Member]
Debt Instrument [Line Items]
Market interest rate			3.50%					3.50%
Maximum [Member] \| First American Financial Bancorp [Member]
Debt Instrument [Line Items]
Market interest rate			6.50%					6.50%
Maximum [Member] \| e-Plus Group [Member]
Debt Instrument [Line Items]
Market interest rate			6.50%					6.50%