10. Borrowings	12 Months Ended
10. Borrowings	Dec. 31, 2014
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	10. Borrowings We maintain a credit facility (the “TD Bank Credit Facility”) with TD Bank N.A. (“TD Bank) which provides for a $20,000,000 revolving credit line. On November 26, 2014, we signed an amendment to the TD Bank Credit Facility through November 28, 2017. Borrowings under the revolving credit line bear a floating rate of interest at the prime rate minus one percent and are secured by a lien on all of our assets. We also pay a fee of 0.15% on unused borrowings under the revolving credit line. The total deferred financing costs relating to expenses incurred to complete the TD Bank Credit The TD Bank Credit Facility imposes certain quarterly financial covenants on us and restricts, among other things, our ability to incur additional indebtedness and the creation of other liens. We were in compliance with all financial covenants of the TD Bank Credit Facility at December 31, 2014. As of December 31, 2014, undrawn commitments under the TD Bank Credit facility were $20,000,000.

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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