Debt	9 Months Ended
Sep. 30, 2012
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	*Note 11 – Debt* Bank Line of Credit As of September 30, 2012, DCT had a $3,000,000 line of credit (“LOC”) at a commercial bank. Borrowings under the LOC are limited to 80% of eligible accounts receivable less the aggregate face amount of all outstanding letters of credit, cash management services, and foreign exchange contracts. The interest rate is prime (3.25% at September 30, 2012) plus 1.0%. Interest payments are due monthly and all unpaid interest and principal is due in full on November 15, 2012. See Note 15. Upon certain events of default (as defined in the LOC agreement), the default variable interest rate increases five percentage points above the interest rate applicable immediately prior to the default. Additionally, the lender has the right to declare all of the amounts due under the LOC immediately due and payable upon an event of default. As of September 30, 2012, DCT was in compliance with all LOC debt covenants and had unused borrowing capacity of $1,920,000.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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