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Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash Flows from Operating Activities: |  |
Net (loss) income | $ (181,543) | $ 1,163,668
Adjustments to reconcile net (loss) income to net cash provided by operating activities: |  |
Stock-based compensation | 133,663 | 189,639
Depreciation | 519,813 | 568,528
ESOP compensation expense | 353,897 | 305,006
Loss on disposal of assets |  | 4,525
Loss on inventory reduction due to contract cancellation | 710,207 |
Deferred income tax benefit | (64,396) | (43,641)
Changes in assets and liabilities: |  |
Decrease in trade receivables | 3,659,624 | 1,982,378
Increase in income tax receivable | (249,602) |
Increase in inventories | (4,714,044) | (1,562,918)
(Increase) decrease in prepaid expenses and other current assets | (303,411) | 97,295
(Decrease) increase in accounts payable | (143,523) | 701,263
Increase in accrued salaries and wages | 6,466 | 139,311
Decrease in vacation accrual | (17,223) | (97,036)
(Decrease) increase in other accrued expenses | (192,308) | 208,567
Increase in payroll and other taxes withheld | 222,911 | 125,519
Increase in contract liabilities | 902,370 | 2,169,181
(Decrease) increase in income taxes payable | (47,905) | 17,226
Net cash provided by operating activities | 594,996 | 5,968,511
Cash Flows from Investing Activities: |  |
Additions to property, plant and equipment | (43,554) | (214,421)
Purchase of investment securities | (5,436,056) | (9,338,100)
Proceeds from sale/maturity of investment securities | 7,486,520 | 9,878,531
Net cash provided by investing activities | 2,006,910 | 326,010
Cash Flows from Financing Activities: |  |
Dividends paid on common stock | (1,201,316) | (2,388,211)
Purchase of treasury stock |  | (47,949)
Proceeds from exercise of stock options |  | 81,000
Net cash used in financing activities | (1,201,316) | (2,355,160)
Increase in cash and cash equivalents | 1,400,590 | 3,939,361
Cash and cash equivalents, beginning of the year | 5,402,122 | 1,462,761
Cash and cash equivalents, end of the year | 6,802,712 | 5,402,122
Supplemental Schedule of Cash Flow Information: |  |
Income taxes paid | $ 175,250 | $ 172,475

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