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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Cash flows from operating activities:    
Net income (loss) $ 1,859,300 $ (725,617)
Adjustments to reconcile net income (loss) to net cash used by operating activities:    
Depreciation and amortization 1,002,813 1,041,789
Stock based compensation 106,617 203,111
Paid in-kind interest 12,000 54,000
Change in deferred tax provision 14,211
Amortization of deferred financing costs 40,067 113,286
Gain on extinguishment of liabilities, net (3,532,659)
Decrease (increase) in assets:    
Accounts receivable 107,708 91,976
Inventory (291,329) (706,735)
Prepaid expenses and other current assets (55,374) 70,838
Increase (decrease) in liabilities:    
Accounts payable 762,404 (506,749)
Accrued expenses (394,170) (268,082)
Other liabilities (1,141,929) (599,620)
Net cash used by operating activities (1,524,552) (1,217,592)
Cash flows from investing activities:    
Purchase of property, plant and equipment (526,251) (438,350)
Purchase of intangible assets (45,471) (4,903)
Net cash used by investing activities (571,722) (443,253)
Cash flows from financing activities:    
Payments of long-term debt (966,077) (612,419)
Borrowings from equipment line of credit 87,703
Issuances of common stock, net of issuance costs 300,000 783,094
Subscription receivable, net 288,000
Net cash (used) provided by financing activities (290,374) 170,675
Net decrease in cash (2,386,648) (1,490,170)
Cash and restricted cash at beginning of period 4,444,628 6,049,347
Cash and restricted cash at end of period $ 2,057,980 $ 4,559,177