Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

v3.19.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Cash flows from operating activities    
Net loss $ (1,711,849) $ (3,927,444)
Adjustments to reconcile net loss to net cash used in operating activities:    
Accrued income on marketable securities 3,514 (16,332)
Depreciation and amortization 34,979 112,903
Reserve for obsolete inventory 32,283
Reserve for doubtful accounts 4,247 97,000
Loss on sales of securities 4,258
Amortization of deferred compensation 3,469
Share based compensation to employees - options 5,454
Share based compensation to an employee 22,444
Share based compensation to directors - restricted stock units 122,384 5,175
Share based compensation to non-employees - restricted stock 12,545
Changes in assets and liabilities:    
(Increase)/decrease in trade receivables (94,781) 455,048
(Increase)/decrease in deposits and other receivables 9,347 (43,941)
(Increase)/decrease in inventories 41,026 (99,220)
(Increase)/decrease in prepaid expenses 305,531 (521,676)
Decrease in other assets 4,330
Increase/(decrease) in trade and other payables (355,782) 66,844
Net cash used in operating activities (1,610,352) (3,817,892)
Cash flows from investing activities    
Purchases of property, plant and equipment (37,698)
Purchases of marketable securities (62,516) (5,268,754)
Proceeds from sale of marketable securities 1,354,646 2,306,675
Net cash provided by/(used in) investing activities 1,292,130 (2,999,777)
Cash flows from financing activities    
Net proceeds from exercise of warrants for common stock 7,155,200
Net cash provided by financing activities 7,155,200
Net increase/(decrease) in cash and restricted cash (318,222) 337,531
Cash and restricted cash at beginning of period 681,755 438,432
Cash and restricted cash at end of period 363,533 775,963
Cash paid for:    
Interest
Income Taxes
Supplemental Schedule of Non-Cash Financing and Investing Activities    
Net unrealized gains/(losses) on marketable securities 47,402 (12,443)
Conversion of Series B Preferred Stock to common shares $ 1,755,000