Debt (Details Textual) (USD $)	3 Months Ended
Mar. 31, 2013
Line of Credit Facility, Maximum Borrowing Capacity	$ 3,000,000
Line of Credit Facility Current Borrowing Capacity, Percentage of Net Accounts Receivable	80.00%
Line of Credit Facility, Interest Rate Description	The interest rate is prime (3.25% at March 31, 2013) plus 1.0%. Interest payments are due monthly and all unpaid interest and principal is due in full on November 15, 2013.
Line of Credit Facility Reduction of Borrowing Capacity	$ 1,225,000

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).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration