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Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES    
Net income/(loss) $ 67,298 $ (90,427)
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:    
Depreciation and amortization expense 120,762 41,221
Stock based compensation 19,654 17,778
Changes in operating assets and liabilities:    
Accounts receivable (39,633) 133,787
Inventory and inventory reserve (111,706) 9,499
Prepaid and other current assets (28,823) (32,669)
Accounts payable and accrued expenses (99,169) 96,819
Deferred revenue (19,408) (6,794)
Lease liability payable, operating lease (70,500) 0
Net Cash Provided/Used by Operating Activities (161,525) 169,214
CASH FLOWS USED IN INVESTING ACTIVITIES    
Purchase of property and equipment (30,318) (78,302)
CASH FLOWS USED IN FINANCING ACTIVITIES    
Payments on notes payable (25,121) (9,335)
NET INCREASE (DECREASE) IN CASH (216,964) 81,577
CASH AT BEGINNING OF PERIOD 557,026 213,854
CASH AT END OF PERIOD 340,062 295,431
SUPPLEMENTAL SCHEDULE OF CASH FLOW ACTIVITIES    
Interest paid 776 2,338
Income taxes paid 0 0
NON-CASH INVESTING AND FINANCING ACTIVITIES    
Accrued preferred stock dividends 50,000 50,000
Issuance of common stock previously accrued for $ 583 $ 35,427