Quarterly report pursuant to Section 13 or 15(d)

Supplemental Disclosure for Statements of Cash Flows (Details)

v3.5.0.2
Supplemental Disclosure for Statements of Cash Flows (Details) - USD ($)
9 Months Ended
Jun. 22, 2016
Sep. 30, 2016
Sep. 30, 2015
Supplemental Disclosure For Statements Of Cash Flows [Line Items]      
Cash paid during the period for interest   $ 4,200,000 $ 3,300,000
Issued stock to 401(k) plan, shares   67,002 68,157
Issued stock to 401(k) plan for employer matching contributions   $ 120,800 $ 117,099
Capital Royalty Partners II LP [Member]      
Supplemental Disclosure For Statements Of Cash Flows [Line Items]      
Collection fees included in interest paid $ 778,000 778,000  
Prepayment premium included in interest paid $ 2,100,000 $ 2,100,000  
Notes payable end of term fees     $ 1,000,000