Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows (Unaudited)

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Condensed Statements of Cash Flows (Unaudited) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Cash flows from operating activities:    
Net income $ 460,664 $ 536,798
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization of intangible assets 473,493 451,560
Amortization of lease right-of-use assets 69,711  
Amortization of debt issuance costs and debt discount 9,776 72,590
Bad debt expense 31,762 5,000
Change in estimated fair value of interest rate swap liability 26,142  
Share-based compensation 223,604 166,478
Unrealized foreign exchange gains on cash, cash equivalents and restricted cash (29,296) (88,240)
Changes in operating assets and liabilities:    
Accounts receivable (158,003) (260,264)
Inventory (148,120) (90,786)
Prepaid expenses (32,274) 64,425
Other current assets   (7,000)
Accounts payable 385,259 (622,649)
Accrued expenses (656,817) (305,096)
Income taxes payable 101,014 121,156
Revenue contract liability (82,656) 25,914
Operating lease liabilities (65,376)  
Other current liabilities (7,455) 3,464
Deferred rent   (4,827)
Net cash provided by operating activities 601,428 68,523
Cash flows from investing activities:    
Investment in intangible assets (12,250)  
Acquisition of property and equipment (6,940) (31,458)
Net cash used in investing activities (19,190) (31,458)
Cash flows from financing activities:    
Proceeds from stock option exercises 36,232  
Principal payments on finance lease obligations (8,481) (8,034)
Principal payments on long-term debt (356,623) (302,891)
Net cash used in financing activities (328,872) (310,925)
Effect of exchange rate changes on cash 29,296 88,241
Net increase (decrease) in cash, cash equivalents and restricted cash 282,662 (185,619)
Cash, cash equivalents and restricted cash – beginning of period 6,311,563 3,581,209
Cash, cash equivalents and restricted cash – end of period 6,594,225 3,395,590
Supplemental cash flow information:    
Cash paid for interest 160,557 293,503
Inventory transferred to assets deployed at client locations 58,016 41,774
Cash paid for income taxes   $ 23,664
Right-of-use assets obtained in exchange for lease liabilities $ 293,350