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Insurance Premium Financing
6 Months Ended
Jun. 30, 2019
Debt Disclosure [Abstract]  
Insurance Premium Financing INSURANCE PREMIUM FINANCINGDuring October 2018, the Company entered into agreements to pay approximately $4.7 million to third-party financing companies for the Company's annual insurance premiums. The balance of the note payable as of June 30, 2019 was $0.9 million.