Annual report pursuant to Section 13 and 15(d)

Long-Term Debt (Components Of Long-Term Debt) (Details)

v3.20.1
Long-Term Debt (Components Of Long-Term Debt) (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Line Of Credit Facility And Long Term Debt [Line Items]    
Capital leases   $ 84,000
Total carrying amount of long-term debt $ 22,670,000 22,146,000
Less current portion   (41,000)
Long-term debt, net 22,670,000 22,105,000
Revolving Credit Facility [Member]    
Line Of Credit Facility And Long Term Debt [Line Items]    
Revolving credit facility (a) 22,670,000 $ 22,062,000
Credit facility maximum borrowing capacity $ 60,000,000