Quarterly report pursuant to Section 13 or 15(d)

Condensed Statements of Cash Flows (Unaudited)

v3.8.0.1
Condensed Statements of Cash Flows (Unaudited) - USD ($)
6 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Cash flows from operating activities    
Net income $ 637,782 $ 1,784,451
Adjustments to reconcile net income to net cash provided by (used in) operating activities:    
Depreciation and amortization 989,912 800,136
Deferred taxes (384,000)
Loss (gain) on disposal of assets 1,594 (5,100)
Stock-based compensation 969,081 1,183,911
Changes in operating assets and liabilities, net of business acquisition:    
Accounts receivable, net 78,265 (115,011)
Inventories 354,984 (1,597,722)
Prepaid expenses and other (71,117) 234,201
Accounts payable and accrued expenses (313,921) (2,296,544)
Net cash provided by (used in) operating activities 2,262,580 (11,678)
Cash flows from investing activities    
Business acquisition (10,350,000)
Purchases of property, plant and equipment and intangible assets (516,341) (1,064,936)
Proceeds from sale of property, plant and equipment 5,100
Purchases of investments (4,181,075) (10,166,075)
Proceeds from maturities of investments 3,469,000 5,568,000
Net cash used in investing activities (11,578,416) (5,657,911)
Cash flows from financing activities    
Proceeds from issuance of common stock under employee stock purchase plan 148,259 169,500
Proceeds from issuance of common stock upon exercise of stock options 17,949 28,459
Tax withholding related to exercise of stock options (9,262) (10,326)
Repurchase of common stock (236,024) (49,352)
Net cash (used in) provided by financing activities (79,078) 138,281
Decrease in cash and cash equivalents (9,394,914) (5,531,308)
Cash and cash equivalents, beginning of period 18,536,111 28,014,321
Cash and cash equivalents, end of period 9,141,197 22,483,013
Supplemental disclosures for cash flow information    
Cash paid during the year for income taxes 23,987 416,750
Non-cash financing activities    
Cashless exercise of stock options $ 5,782 $ 34,268