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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Cash Flows From Operating Activities:      
Net loss $ (2,334,110) $ (3,205,174) $ 10,000,000
Adjustments to reconcile net loss to net cash flows used in operating activities:      
Depreciation and amortization 72,941 109,116  
Stock based compensation 311,677 725,198  
Provision for inventory obsolescence 285,130 162,856  
Amortization of discount on unsecured promissory notes 86,867  
Change in fair value of secured convertible notes 412,445  
Change in fair value of proceeds investment agreement (307,000) 137,000  
(Increase) decrease in:      
Accounts receivable - trade (467,469) 145,637  
Accounts receivable - other (44,033) (52,539)  
Inventories (142,604) (159,129)  
Prepaid expenses (39,722) 191,772  
Operating lease right of use assets 28,010 113,325  
Other assets (12,752) (41,803)  
Increase (decrease) in:      
Accounts payable (34,915) 839,108  
Accrued expenses 112,769 (419,695)  
Income taxes payable 244  
Operating lease obligations (109,172) (32,164)  
Contract liabilities 137,486 (164,272)  
Net cash used in operating activities (2,044,452) (1,650,520)  
Cash Flows from Investing Activities:      
Purchases of furniture, fixtures and equipment (1,666) (59,277)  
Additions to intangible assets (28,997) (25,489)  
Proceeds from the sale of equipment  
Net cash used in investing activities (30,663) (84,766)  
Cash Flows from Financing Activities:      
Proceeds from unsecured promissory note payable, related party 289,000  
Proceeds from unsecured promissory note payable 100,000  
Proceeds from sale of common stock in underwritten public offering 2,502,136  
Principal payment on subordinated notes payable (100,000)  
Principal payment on secured convertible notes (747,180)  
Proceeds from issuance of common stock upon exercise of warrants 516,000  
Net cash provided by financing activities 2,043,956 516,000  
Net decrease in cash and cash equivalents (31,159) (1,219,286)  
Cash, cash equivalents, beginning of period 359,685 3,598,807 3,598,807
Cash, cash equivalents, end of period 328,526 2,379,521 $ 359,685
Supplemental disclosures of cash flow information:      
Cash payments for interest 119,835  
Cash payments for income taxes 5,756  
Supplemental disclosures of non-cash investing and financing activities:      
Restricted common stock grant 530 522  
Restricted common stock forfeitures 23 2  
Impact of Adoption of ASC 842 - obtaining right of use asset for lease liability 500,751  
Issuance of common stock upon conversion of secured convertible notes 1,343,360  
Amounts allocated to common stock purchase warrants in connection with issuance of unsecured promissory note payable $ 20,806