Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Revenue | $ 81,422 | $ 77,606 | [1] | $ 225,505 | $ 199,765 | [1] | ||
| Cost of goods sold | 61,559 | 146,916 | ||||||
| Gross profit | 12,653 | 5,526 | 58,431 | 13,454 | ||||
| Selling, general, and administrative expenses | ||||||||
| Compensation expense | 933 | 876 | 3,054 | 3,170 | ||||
| Other expense | 476 | 477 | 1,482 | 1,562 | ||||
| Related party expense | 138 | 38 | 416 | 138 | ||||
| Research and development expenses | 877 | 935 | 2,843 | 2,535 | ||||
| Total expenses | 2,424 | 2,326 | 7,795 | 7,405 | ||||
| Income from operations | 10,229 | 3,200 | 50,636 | 6,049 | ||||
| Interest and dividend income | 2,543 | 1,965 | 6,688 | 5,679 | ||||
| Interest expense | (43) | (43) | (129) | (129) | ||||
| Gain/(loss) on marketable securities | 815 | 26 | (3,273) | (543) | ||||
| Other expense | (87) | (84) | (264) | (117) | ||||
| Total other income/(expense) | 3,228 | 1,864 | 3,022 | 4,890 | ||||
| Income before income taxes | 13,457 | 5,064 | 53,658 | 10,939 | ||||
| Provision for income taxes | 4,012 | 1,730 | 2,336 | 3,375 | ||||
| Net income | $ 9,445 | $ 3,334 | $ 51,322 | $ 7,564 | ||||
| Earnings per common share | ||||||||
| Earnings per common share, basic (in dollars per share) | $ 0.22 | $ 0.08 | $ 1.17 | $ 0.17 | ||||
| Earnings per common share, diluted (in dollars per share) | $ 0.22 | $ 0.08 | $ 1.17 | $ 0.17 | ||||
| Weighted average shares outstanding | ||||||||
| Weighted average shares outstanding, basic (in shares) | 43,724,195 | 43,705,234 | 43,719,215 | 43,662,672 | ||||
| Weighted average shares outstanding, diluted (in shares) | 43,732,920 | 43,714,753 | 43,725,370 | 43,671,420 | ||||
| Comprehensive Income | ||||||||
| Net income | $ 9,445 | $ 3,334 | $ 51,322 | $ 7,564 | ||||
| Other comprehensive income/(loss) from unrealized net gains/(losses) on available-for-sale debt securities | (27) | 1,006 | (46) | 7,102 | ||||
| Income tax effect | 6 | (353) | 10 | (2,490) | ||||
| Total unrealized gains/(losses), net of tax | (21) | 653 | (36) | 4,612 | ||||
| Comprehensive income | 9,424 | 3,987 | 51,286 | 12,176 | ||||
| Non-related Parties [Member] | ||||||||
| Revenue | 80,588 | 77,106 | 223,184 | 198,726 | ||||
| Cost of goods sold | 61,559 | 61,088 | 146,916 | 165,469 | ||||
| Non-related Parties [Member] | Shipping and Handling [Member] | ||||||||
| Cost of goods sold | 1,512 | 1,072 | 4,329 | 2,730 | ||||
| Related Parties [Member] | ||||||||
| Revenue | 834 | 500 | 2,321 | 1,039 | ||||
| Cost of goods sold | 5,651 | 9,880 | 15,682 | 17,995 | ||||
| Related Parties [Member] | Shipping and Handling [Member] | ||||||||
| Cost of goods sold | $ 47 | $ 40 | $ 147 | $ 117 | ||||
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- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrealized and realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI). No definition available.
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No definition available.
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- Definition The net result for the period of deducting operating expenses from operating revenues. No definition available.
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- Definition Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of general and administrative expense classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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