Summary of Significant Accounting Policies (Components of Accumulated Other Comprehensive Loss) (Details) - USD ($) |
12 Months Ended | |
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Dec. 31, 2020 |
Dec. 31, 2019 |
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Accumulated Other Comprehensive Income (Loss) [Line Items] | ||
Beginning balance | $ 47,392,282 | $ 41,653,127 |
Ending balance | 47,494,727 | 47,392,282 |
Foreign Currency Translation [Member] | ||
Accumulated Other Comprehensive Income (Loss) [Line Items] | ||
Beginning balance | (709,000) | (764,000) |
Net current period change | 9,000 | 55,000 |
Ending balance | (700,000) | (709,000) |
Unrealized gain (loss) on securities [Member] | ||
Accumulated Other Comprehensive Income (Loss) [Line Items] | ||
Beginning balance | 11,000 | 13,000 |
Net current period change | 10,000 | (2,000) |
Ending balance | 21,000 | 11,000 |
Accumulated Other Comprehensive Loss [Member] | ||
Accumulated Other Comprehensive Income (Loss) [Line Items] | ||
Beginning balance | (697,664) | (751,293) |
Net current period change | 19,000 | 53,000 |
Ending balance | $ (678,767) | $ (697,664) |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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