Notes Payable (Details)	1 Months Ended		3 Months Ended		9 Months Ended
	Dec. 31, 2014 USD ($)	Apr. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($) tranche	Sep. 30, 2014 USD ($)	Aug. 31, 2015 USD ($)
Notes Payable
Proceeds from the issuance of debt						$ 1,989,000
Current portion of notes payable			$ 3,127,000		$ 3,127,000
Interest Expense			121,000	$ 29,000	353,000	$ 59,000
Long-term debt			$ 7,000,000		$ 7,000,000
Credit facility
Notes Payable
Proceeds from the issuance of debt		$ 2,000,000
Accrued interest rate (as a percent)			5.50%		5.50%
Variable interest rate					prime
Variable rate basis (as a percent)					2.25%
Monthly payments (as a percent)					2.80%
Number of tranches | tranche					4
Available			$ 12,000,000		$ 12,000,000
Borrowed			7,000,000		$ 7,000,000
Extension period					3 months
Current portion of notes payable			2,600,000		$ 2,600,000
Interest Expense			116,000		346,000
Accrued interest			38,000		38,000
Term Loan Tranche A
Notes Payable
Available			2,000,000		2,000,000
Borrowed			$ 2,000,000		$ 2,000,000
Term Loan Tranche B
Notes Payable
Accrued interest rate (as a percent)			6.50%		6.50%
Available			$ 5,000,000		$ 5,000,000
Borrowed			5,000,000		$ 5,000,000
Proceeds from line of credit	$ 5,000,000
Term Loan Tranche B | Prime rate
Notes Payable
Variable interest rate					prime
Variable rate basis (as a percent)					3.25%
Term Loan Tranche C
Notes Payable
Available			2,500,000		$ 2,500,000
Term Loan Tranche D
Notes Payable
Available			2,500,000		2,500,000
Vendor Debt
Notes Payable
Balance of outstanding loan			$ 502,000		$ 502,000		$ 584,000