Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

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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 $ (3,888,249) $ (10,849,034)
Adjustments to reconcile net loss to net cash used in operating activities:    
(Gain) loss on sale of securities (3,952) 15,178
Accrued (loss)/income - marketable securities 3,353 (11,011)
Depreciation and amortization 74,064 234,486
Loss on disposal of fixed assets 9,576 156,493
Impairment of intangible assets 32,980 716,148
Impairment of other assets 64,092
Reserve for obsolete inventory 371,997 279,029
Reserve for doubtful trade receivables 5,325 156,835
Reserve for doubtful other receivables 100,000
Amortization of deferred compensation 3,469
Stock-based compensation to employees - options 6,931
Stock-based compensation to employees - common stock 27,367 27,702
Stock-based compensation to directors - restricted stock units 362,005
Stock-based compensation - shares issued to vendors 10,802 12,545
Changes in assets and liabilities:    
Decrease in trade receivables 128,120 631,510
Decrease in deposits and other receivables 9,347 7,243
Decrease in inventories 14,285 83,316
Decrease/(increase) in prepaid expenses 103,152 (225,586)
Decrease in other assets 9,280
Increase (decrease) in trade and other payables (443,735) 188,462
Net cash used in operating activities (3,074,283) (8,502,192)
Cash flows from investing activities    
Purchases of property, plant and equipment (68,214)
Proceeds from the sale of equipment 6,250
Short-term note receivable (100,000)
Purchases of marketable securities (6,704,837) (6,604,801)
Proceeds from sale of marketable securities 2,857,960 6,313,330
Net cash used in investing activities (3,940,627) (359,685)
Cash flows from financing activities    
Net proceeds from issuance of common stock 2,147,778 1,950,000
Net proceeds from issuance of prepaid equity forward contracts for the purchase of common stock 4,817,857
Net proceeds from the exercise of prepaid equity forward contracts for the purchase of common stock 58
Net proceeds from exercise of warrants for common stock 7,155,200
Net cash provided by financing activities 6,965,693 9,105,200
Net increase/(decrease) in cash and restricted cash (49,217) 243,323
Cash and restricted cash at beginning of year 681,755 438,432
Cash and restricted cash at end of year 632,538 681,755
Cash paid for:    
Interest
Income Taxes 2,070
Supplemental Schedule of Non-Cash Financing and Investing Activities    
Net unrealized gains/(losses) on marketable securities 43,799 (25,913)
Conversion of Series B Preferred Stock to common shares $ 1,755,000