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Lease Obligations (Details Textual) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Lease Obligations [Line Items] |  |  |
Operating Leases, Rent Expense | $ 427,900 | $ 574,300 | $ 721,300
Lease Transaction, Annual Rental Payments | $ 90,000 |  |
Lease Expiration Date | Dec. 31, 2014 |  |

X
- Details
Name: | adc_LeaseObligationsLineItems
Namespace Prefix: | adc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount represent lease transaction, annual rental payment during the period. + References No definition available. + Details
Name: | adc_LeaseTransactionAnnualRentalPayments
Namespace Prefix: | adc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration