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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Cash Flows from Operating Activities:    
Net Loss $ (5,557,537) $ (2,260,312)
Adjustments to reconcile net loss to net cash provided by (used in) operations:    
Depreciation and amortization 1,298,815 1,183,441
Amortization of discount on convertible notes payable 251,804 (0)
Stock-based compensation 227,464 223,557
Change in fair value of warrant liability (0) 236,900
Change in deferred tax asset / liability (31,959) (30,574)
Gain on sale of fixed assets (1,134) 0
Changes in assets and liabilities:    
Accounts receivable 633,533 1,820,234
Inventory (231,899) (157,376)
Contract assets 855,558 1,141,799
Prepaid expenses and other current assets 174,731 (184,328)
Accounts payable (504,841) (2,265,228)
Accrued expenses 1,754,808 1,986,152
Operating lease liabilities (582,679) (366,198)
Contract liabilities 803,077 (98,131)
Total Adjustments 4,647,278 3,490,248
Net Cash provided by (used in) Operating Activities (910,259) 1,229,936
Cash Flows from Investing Activities:    
Purchase of property and equipment (718,366) (2,171,172)
Purchase of other intangible assets 0 (23,446)
Proceeds from sale of fixed assets 1,134 0
Net Cash used in Investing Activities (717,232) (2,194,618)
Cash Flows from Financing Activities:    
Payments on finance lease obligation (192,504) (16,973)
Proceeds from convertible notes payable, net 14,283,333 0
Proceeds from issuance of prefunded warrants 0 2,575,000
Proceeds from issuance of common stock, net 0 4,744,048
Net Cash provided by Financing Activities 14,090,829 7,302,075
Gain (Loss) on Currency Translation (611,041) 108,944
Net change in Cash, Cash Equivalents and Restricted Cash 11,852,297 6,446,337
Cash, Cash Equivalents and Restricted Cash at Beginning of Period 13,264,449 9,783,932
Cash, Cash Equivalents and Restricted Cash at End of Period 25,116,746 16,230,269
Supplemental Disclosures of Cash Flow Information:    
Interest 79,448 45,471
Income Taxes 0 0
Convertible Debt [Member]    
Non-cash financing activities    
Original issue discount on convertible note 1,800,000 0
Convertible Note debt conversion feature 3,048,396 0
Debt issuance costs on convertible note 716,667 0
Common Stock issued for conversion of convertible note $ 531,729 $ 0