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Consolidated Statements of Cash Flows - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash Flows From Operating Activities:    
Net loss $ (10,005,713) $ (15,544,551)
Adjustments to reconcile net loss to net cash flows used in operating activities:    
Depreciation and amortization 390,151 500,177
(Gain) on disposal of equipment (28,218)
Stock based compensation 2,112,090 2,272,656
Change in fair value of warrant derivative liabilities 319,105
Amortization of debt discount 5,808 47,657
Provision for doubtful accounts receivable 60,000
Interest paid through issuance of common stock 50,000
Loss on extinguishment of secured convertible debentures 600,000
Secured convertible debentures issuance expense 89,148 351,462
Change in fair value of secured convertible debentures 519,821 2,296,444
Change in fair value of proceeds investment agreement 3,358,000 74,487
Provision for inventory obsolescence 856,242 597,798
(Increase) decrease in:    
Accounts receivable - trade 716,868 131,050
Accounts receivable - other (132,318) (43,794)
Inventories 862,406 1,153,855
Prepaid expenses 48,313 (148,796)
Income tax refund receivable 45,350
Operating lease right of use assets 378,292
Other assets (275,751) (141,706)
Increase (decrease) in:    
Accounts payable 1,555,386 (2,345,555)
Accrued expenses (1,234,786) 862,126
Income taxes payable 2,245 (6,452)
Operating lease obligations (297,131)
Contract liabilities (228,794) 171,548
Net cash used in operating activities (1,124,373) (9,011,857)
Cash Flows from Investing Activities:    
Purchases of furniture, fixtures and equipment (204,013) (42,526)
Additions to intangible assets (62,131) (104,690)
Proceeds from the sale of equipment 76,268
Net cash used in investing activities (266,144) (70,948)
Cash Flows from Financing Activities:    
Proceeds from unsecured promissory note payable 300,000 250,000
Payoff of proceeds investment agreement (6,000,000)
Proceeds from proceeds investment agreement and detachable common stock warrants 10,000,000
Proceeds from secured convertible debentures and detachable common stock purchase warrants 2,500,000 6,250,000
Secured convertible debenture issuance expense (89,148) (220,312)
Proceeds from sale of common stock in underwritten public offering 7,324,900
Principal payment on subordinated notes payable (123,457) (1,108,500)
Principal payment on secured convertible debentures (9,850,000)
Proceeds from issuance of common stock upon exercise of warrants 1,564,000 89,304
Loss on extinguishment of secured convertible debentures (600,000)
Payments on capital lease obligations (8,492)
Net cash (used in) provided by financing activities (1,848,605) 12,126,900
Net (decrease) increase in cash and cash equivalents (3,239,122) 3,044,095
Cash, cash equivalents, beginning of year 3,598,807 554,712
Cash, cash equivalents, end of year 359,685 3,598,807
Supplemental disclosures of cash flow information:    
Cash payments for interest 30,937 1,367,561
Cash payments for income taxes 3,755 6,452
Supplemental disclosures of non-cash investing and financing activities:    
Restricted common stock grant 522 484
Restricted common stock forfeitures 5 34
Impact of Adoption of ASC 842 - obtaining right of use asset for lease liability 500,751
Amounts allocated to common stock purchase warrants in connection with proceeds from secured convertible debentures 535,739 1,684,251
Issuance of common stock upon conversion of secured convertible notes 648,067 293,688
Issuance of common stock related to the issuance of secured convertible notes 118,749
Amounts allocated to common stock purchase warrants in connection with issuance of unsecured promissory note payable 71,869
Amounts allocated to common stock purchase warrants in connection with proceeds investment agreement 932,487
Issuance of common stock upon conversion of accounts payable 63,115
Issuance of common stock upon conversion of secured notes payable and accrued interest 153,200
Issuance of common stock upon exercise of common stock purchase warrants accounted for as derivative warrant liabilities 335,921
Amounts allocated to common stock purchase warrants in connection with proceeds from subordinated notes payable $ 47,657