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Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Cash flows from operating activities |  |
Net (loss) income | $ 866,929 | $ (2,680,323)
Adjustments to reconcile net (loss) income to net cash provided by operating activities: |  |
Depreciation and amortization | 3,424,438 | 3,464,156
Interest from amortization of debt costs | 18,572 | 117,261
Gain on disposal of property and equipment | (107,280) | (77,047)
Stock-based compensation on stock options & RSUs, net | 250,737 | 394,790
Provision for doubtful accounts receivable | 18,826 | (6,658)
Change in operating lease liabilities | (157,757) | 370,701
Inventory write-offs to allowance | 127,872 | 125,234
Deferred tax benefit | (7,000) | (28,000)
Changes in operating assets and liabilities: |  |
Trade accounts receivables | 3,279 | (833,665)
Other receivables | 221,644 | (306,348)
Inventories | (1,427,827) | (1,405,020)
Prepaid expenses and other assets | 403,220 | 392,925
Accounts payable and accrued liabilities | 97,160 | 883,179
Net cash provided by operating activities | 3,732,813 | 411,185
Cash flows from investing activities |  |
Purchase of property and equipment | (2,442,779) | (1,931,835)
Proceeds from sale of equipment | 186,986 | 683,250
Net cash used in investing activities | (2,255,793) | (1,248,585)
Cash flows from financing activities |  |
Proceeds from exercise of stock options | 22,263 | 13,767
Proceeds from sale of common stock from employee stock purchase plan | 24,612 | 38,438
Loan costs | 0 | (92,860)
Borrowings on loan payable | 400,000 | 5,813,500
Payments on loan payable | (581,350) | (6,831,503)
Repayment of finance lease obligations | (487,233) | 0
Payments on capital lease obligations | 0 | (342,871)
Net cash used in financing activities | (621,708) | (1,401,529)
Effect of exchange rate on cash and cash equivalents | (72,625) | 335,010
Change in cash and cash equivalents and restricted cash | 782,687 | (1,903,919)
Cash and cash equivalents and restricted cash, beginning of period | 4,604,701 | 6,508,620
Cash and cash equivalents, end of period | 5,387,388 | 4,604,701
Supplemental disclosure of cash flow information: |  |
Interest paid in cash | 330,910 | 500,985
Income taxes paid | 526,225 | 406,526
Supplemental disclosure of non-cash investing & financing activities: |  |
Purchase of equipment through capital lease arrangements | 0 | 530,253
Landlord credits for leasehold improvements | $ 0 | $ 309,450

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