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v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Operating Activities: |  |
Net loss | $ (876,754) | $ (1,281,599)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 153,283 | 167,693
Warranty provision | (109,924) | 79,954
Inventory obsolescence | 26,243 | 159,954
Share-based compensation | 1,116,400 | 605,426
Deferred income taxes | 196,000 | (188,000)
Changes in operating assets and liabilities: |  |
Accounts receivable | (2,272,970) | (1,292,589)
Inventories | (519,568) | 2,309
Prepaid expenses and other | (147,456) | (29,972)
Prepaid expenses and other - noncurrent | 226,937 | 187,484
Accounts payable | 537,800 | (129,376)
Payroll and related | 1,487,734 | 51,929
Warranty settlements | (67,959) | (38,588)
Accrued and other liabilities | (416,538) | 556,278
Net cash used in operating activities | (666,772) | (1,149,097)
Investing Activities: |  |
Purchases of marketable securities | (2,908,093) | (825,795)
Proceeds from maturities of available-for-sale marketable securities | 2,961,367 |
Capital expenditures | (182,326) | (162,322)
Patent costs paid |  | (11,272)
Net cash used in investing activities | (129,052) | (999,389)
Financing Activities: |  |
Repurchase of common stock |  | (1,748,456)
Proceeds from exercise of stock options | 373,228 | 2,200
Common stock cash dividends paid | 0 | (954,650)
Net cash provided by (used in) financing activities | 133,000 | (2,700,906)
Net decrease in cash | (662,824) | (4,849,392)
Cash and cash equivalents, beginning of period | 13,466,711 | 18,316,103
Cash and cash equivalents, end of period | $ 12,803,887 | $ 13,466,711

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