Note Payable - General Electric Capital Corporation (Details Textual) - Jun. 30, 2015 - USD ($) $ in Millions	Total
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 10.0
Line of Credit Facility, Remaining Borrowing Capacity	6.8
General Electric Capital Corporation [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Amount Outstanding During Period	10.0
Line of Credit Facility, Maximum Borrowing Capacity	15.0
Line of Credit Facility, Current Borrowing Capacity	$ 10.0
Line of Credit Facility, Interest Rate Description	Borrowings under the Credit Agreement may be made as prime rate loans with an applicable margin of 3.0% per annum or 1, 2, 3 or 6 month LIBOR loans with an applicable margin of 4.0% per annum.
Line of Credit Facility, Interest Rate During Period	4.20%
Availability of Credit, Percentage on Book Value	85.00%
Long-term Line of Credit	$ 3.2
Line of Credit Facility, Remaining Borrowing Capacity	$ 6.8