Quarterly report pursuant to Section 13 or 15(d)

Debt and Credit Arrangements (Details Textual)

v2.4.0.8
Debt and Credit Arrangements (Details Textual)
6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended
Mar. 31, 2014
USD ($)
Jun. 30, 2013
Revolving credit facility [Member]
Mar. 31, 2014
Revolving credit facility [Member]
USD ($)
Mar. 31, 2013
Grass acquisition [Member]
Revolving credit facility [Member]
USD ($)
Mar. 31, 2014
Term loan [Member]
USD ($)
Dec. 31, 2013
Term loan [Member]
USD ($)
Jun. 30, 2013
Term loan [Member]
USD ($)
Mar. 31, 2013
Term loan [Member]
USD ($)
Mar. 31, 2014
Term loan [Member]
Interest at LIBOR plus [Member]
USD ($)
Mar. 31, 2014
Term loan [Member]
Interest at Cost of Funds Plus [Member]
CAD
Debt and Credit Arrangements (Textual) [Abstract]                    
Revolving credit facility with Wells Fargo Bank $ 75,000,000   $ 25,000,000   $ 50,000,000          
Borrowing amount under credit facility       22,000,000            
Extended term of revolving line of credit   5 years                
Amount of short term credit facility converted in to a term loan             31,200,000      
Term loan outstanding             50,000,000 18,800,000    
Principal amount of debt                 50,000,000 2,900,000
Basis spread interest rate                 1.75% 2.50%
Maturity date of debt instrument         Jun. 30, 2017       Sep. 30, 2018 Sep. 15, 2014
Periodic principal amount         5,000,000 7,500,000     2,500,000 16,000
Final payment, collateralized by a first lien on land and building                   404,000
Term Loan expiration period         5 years