Line Of Credit Modification Agreement (Details) - Revolving Line Of Credit [Member] - USD ($) $ in Millions	Mar. 31, 2015	Mar. 30, 2015
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 30.0	$ 10.0
Maturity date	Mar. 31, 2018	Mar. 31, 2016
Percentage added to LIBOR rate	1.85%	2.50%
Unused commitment fee	0.25%	0.33%
Maximum asset coverage ratio	150.00%
Limit on capital expenditures	$ 10.0	$ 5.0