Debt (Details) (USD $)	12 Months Ended	0 Months Ended
	Dec. 31, 2013	Mar. 11, 2014 Refinancing of Debt [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Borrowing availability	$ 20,000,000	$ 20,000,000
Maximum borrowing availability	30,000,000	30,000,000
Expiration date	Jun. 01, 2014	Jun. 16, 2014
Commitment letter, expiry date		36 months
Bank's prime lending rate (in hundredths)	3.25%
Outstanding balance on line of credit	0
Weighted average interest rate (in hundredths)	2.70%
Mortgage	1,100,000
Maturity date	Nov. 01, 2019
Fixed interest percentage rate (in hundredths)	4.05%
Period considered for new rate	5 years
Debt instrument additional basis points to new rate (in hundredths)	2.25%
Annual mortgage payment	207,000
Future principal payments under its term loan and mortgage
2014	166,000
2015	172,000
2016	180,000
2017	187,000
2018	195,000
Thereafter	183,000
Total	$ 1,083,000