XML 16 R6.htm IDEA: XBRL DOCUMENT v3.19.1
Consolidated Statements of Cash Flows - USD ($)
 3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Operating activities    
Net loss $ (2,763,931) $ (2,449,787)
Adjustment to reconcile net loss to net cash used in operating activities    
Depreciation and amortization 285,308 67,450
Share-based compensation 138,498 48,546
Gain on disposal of equipment 0 (1,160)
Changes in operating assets and liabilities:    
Other receivables (18,410) (39,371)
Inventory (83,158) 46,047
Prepaid expenses and other assets 55,504 369,621
Accounts payable and accrued liabilities 253,509 (508,423)
Net cash used in operating activities (2,132,680) (2,467,077)
Investing activities    
Purchase of property, plant and equipment (456,436) (2,034,048)
Proceeds on sale of equipment 0 1,173
Other investing activities 13 0
Net cash used in investing activities (456,423) (2,032,875)
Financing activities    
Proceeds from issuance of debt 376,117 0
Repayment of term debt (9,619) (14,168)
Proceeds from the issuance of common stock and warrants, net 6,609,655 10,616,048
Proceeds from the exercise of stock options and warrants, net 250,424 250,188
Net cash provided by financing activities 7,226,577 10,852,068
Effect of exchange rate changes on cash and cash equivalents 2,706 (5,588)
Net change in cash and cash equivalents 4,640,180 6,346,528
Cash and cash equivalents at beginning of period 2,990,196 492,861
Cash and cash equivalents at the end of period 7,630,376 6,839,389
Supplemental disclosure of cash flow information and non-cash transactions:    
Interest paid in cash 13,338 5,402
Property and equipment included in accounts payable and accrued liabilities 79,193 976,208
Acquisition of equipment under debt arrangement $ 0 $ 75,911