Line Of Credit Modification Agreement (Narrative) (Details)	May 24, 2016 USD ($)	May 23, 2016 USD ($)
Debt Instrument [Line Items]
Maturity date	Mar. 31, 2019	Mar. 31, 2018
Fixed charge coverage ratio	1.15	1.40
Revolving Line Of Credit [Member]
Debt Instrument [Line Items]
Maximum borrowing capacity	$ 40,000,000	$ 30,000,000
Term Loan [Member]
Debt Instrument [Line Items]
Loan amount	$ 15,000,000
Percentage added to LIBOR rate	1.85%
Principal payment	$ 937,500
Remaining principal amount that may be repaid or converted	$ 3,750,000