Quarterly report pursuant to Section 13 or 15(d)

4. DEBT (Details 1)

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4. DEBT (Details 1) - USD ($)
Sep. 30, 2018
Dec. 31, 2017
Debt Details 1Abstract    
Cash and cash equivalents $ 42,367,489 $ 43,107,574
Restricted cash included in current assets 0 1,500,000
Restricted cash included in long-term assets 4,000,000 4,000,000
Total cash, cash equivalents and restricted cash as shown in the consolidated statements of cash flows $ 46,367,489 $ 48,607,574