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v3.20.1

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2020 | Mar. 31, 2019 | Sep. 30, 2019 | Mar. 31, 2020 | Sep. 30, 2019 | Mar. 31, 2019
Operating Activities: |  |  |  |  |  |  |  |  |  |
Net income | $ 301,575 | $ 620,327 | $ 1,178,850 | $ 1,045,940 | $ 921,902 | $ 2,224,790 |  |  |  |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  | 415,031 | 417,637 |  |  |  |
Warranty provision |  |  |  |  | (11,053) | 44,037 |  |  |  |
Inventory obsolescence |  |  |  |  | 127,599 | 133,259 |  |  |  |
Share-based compensation |  |  |  |  | 453,617 | 305,820 |  |  |  |
Deferred income taxes |  |  |  |  | 269,158 | 557,147 |  |  |  |
Amortization of operating lease right of use asset |  |  |  |  | 292,405 |  |  |  |  |
Changes in operating assets and liabilities: |  |  |  |  |  |  |  |  |  |
Accounts receivable, net |  |  |  |  | (2,204,894) | (3,981,947) |  |  |  |
Inventories, net |  |  |  |  | (1,214,265) | (1,704,919) |  |  |  |
Prepaid expenses and other |  |  |  |  | 787,613 | 2,518,276 |  |  |  |
Accounts payable |  |  |  |  | 1,072,363 | (1,847,512) |  |  |  |
Accrued and other liabilities |  |  |  |  | (3,035,960) | 449,152 |  |  |  |
Net cash used in operating activities |  |  |  |  | (2,126,484) | (884,260) |  |  |  |
Investing Activities: |  |  |  |  |  |  |  |  |  |
Purchases of marketable securities |  |  |  |  | (2,013,441) | (2,318,646) |  |  |  |
Proceeds from maturities of marketable securities |  |  |  |  | 1,971,146 | 2,316,764 |  |  |  |
Capital expenditures |  |  |  |  | (102,126) | (299,965) |  |  |  |
Net cash used in investing activities |  |  |  |  | (144,421) | (301,847) |  |  |  |
Financing Activities: |  |  |  |  |  |  |  |  |  |
Proceeds from exercise of stock options |  |  |  |  | 258,047 | 45,172 |  |  |  |
Repurchase of common stock |  |  |  |  | (398,256) | (2,171,022) |  |  |  |
Shares retained for payment of taxes in connection with settlement of restricted stock units |  |  |  |  | (41,410) |  |  |  |  |
Payments on promissory notes |  |  |  |  | (16,700) | (17,044) |  |  |  |
Net cash used in financing activities |  |  |  |  | (198,319) | (2,142,894) |  |  |  |
Effect of foreign exchange rate on cash |  |  |  |  | 11,160 | (23,938) |  |  |  |
Net decrease in cash, cash equivalents, and restricted cash |  |  |  |  | (2,458,064) | (3,352,939) |  |  |  |
Cash, cash equivalents and restricted cash, beginning of period |  | 19,516,918 |  | 11,806,074 | 19,516,918 | 11,806,074 | $ 11,806,074 |  |  |
Cash, cash equivalents and restricted cash, end of period | 17,058,854 |  | 8,453,135 |  | 17,058,854 | 8,453,135 | 19,516,918 |  |  |
Cash and cash equivalents |  |  |  |  |  |  |  | $ 16,398,928 | $ 18,819,078 | $ 7,723,503
Restricted cash, current portion |  |  |  |  |  |  |  | 264,633 |  | 390,008
Long-term restricted cash |  |  |  |  |  |  |  | 395,293 |  | 339,624
Total cash, cash equivalents and restricted cash shown in the consolidated statement of cash flows | $ 17,058,854 | $ 19,516,918 | $ 8,453,135 | $ 11,806,074 | 17,058,854 | 8,453,135 | $ 11,806,074 | $ 17,058,854 | $ 19,516,918 | $ 8,453,135
Supplemental disclosures of cash flow information: |  |  |  |  |  |  |  |  |  |
Interest paid |  |  |  |  |  | 2,860 |  |  |  |
Noncash investing and financing activities: |  |  |  |  |  |  |  |  |  |
Change in unrealized gain (loss) on marketable securities |  |  |  |  | (11,178) | 9,620 |  |  |  |
Initial measurement of operating lease ROU assets |  |  |  |  | 5,823,972 |  |  |  |  |
Initial measurement of operating lease liabilities |  |  |  |  | $ 7,814,701 |  |  |  |  |

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