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Unaudited Condensed Statements of Cash Flows - USD ($) | 9 Months Ended
--- | ---
Sep. 30, 2016 | Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 478,163 | $ 924,432
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation | 569,081 | 378,475
Amortization | 21,676 | 2,074
Deferred income taxes | 206,911 | 680,087
Stock-based compensation | 50,312 | 17,825
Loss (Gain) on disposal of fixed assets | 2,109 | (3,984)
Provision for uncollectible accounts | 2,225 | 1,898
Changes in: |  |
Accounts receivable, gross | 38,723 | 214,180
Inventory | (783,190) | 81,311
Prepaid expenses and other current assets | (471,027) | (127,160)
Accounts payable and accrued expenses | (100,697) | (92,332)
Deferred revenue | 33,856 | (6,690)
Net cash provided by operating activities | 48,142 | 2,070,116
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchase of property, plant and equipment | (1,794,755) | (1,772,091)
Acquisition of certain business assets | (368,219) | 0
Maturities of investments | 3,968,000 | 2,489,000
Purchases of investments | (4,216,000) | (3,711,000)
Proceeds from sale of fixed assets | 0 | 66,215
Net cash used for investing activities | (2,410,974) | (2,927,876)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Proceeds from public offering, net | 5,313,223 | 0
Proceeds from debt issuance | 0 | 2,500,000
Debt principal repayments | (100,545) | (136,339)
Debt issuance costs | (46,734) | (32,759)
Proceeds from exercise of stock options | 31,975 | 120,210
Tax benefits related to stock options | 0 | 25,707
Net cash provided by financing activities | 5,197,919 | 2,476,819
NET INCREASE IN CASH AND CASH EQUIVALENTS | 2,835,087 | 1,619,059
BEGINNING CASH AND CASH EQUIVALENTS | 1,573,328 | 850,028
ENDING CASH AND CASH EQUIVALENTS | 4,408,415 | 2,469,087
CASH PAID FOR: |  |
Income taxes | 125,125 | 3,600
Interest expense | 115,682 | 38,324
NON-CASH ACTIVITIES: |  |
Change in capital expenditures included in accounts payable and accrued expenses | 163,635 | (213,418)
Net change in fair value of interest rate swaps | 79,767 | 48,059
Fixed asset disposals, gross | $ 58,714 | $ 279,111

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- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References No definition available. + Details
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- Definition The cash inflow from maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References No definition available. + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition Value of stock issued as a result of the exercise of stock options, after deduction of related income tax (expense) benefit. + References No definition available. + Details
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