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CONSOLIDATED STATEMENTS OF CASH FLOWS - Supplemental Dislcosures - USD ($)
3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
SUPPLEMENTAL DISCLOSURES:    
Cash paid for interest $ 758,100 $ 519,600
Cash paid for income taxes 176,000 138,107
Reconciliation of cash, cash equivalents and restricted cash:    
Cash and cash equivalents 1,800,600 1,723,400
Restricted cash 105,000 30,000
Total cash, cash equivalents and restricted cash $ 1,905,600 $ 1,753,400