XML 51 R34.htm IDEA: XBRL DOCUMENT
v3.21.1

Goodwill and Indefinite Lived Intangible Assets (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill and Indefinite Lived Intangible Assets |
Goodwill |  |  |  |
Balance as of December 31, 2019 and 2020 |  | $ | 2,534,275 |
Indefinite Lived Intangible Assets |  |  |  |
Balance as of December 31, 2019 and 2020 |  | $ | 770,000 |
Goodwill relates to the acquisition of ENP Investments. Indefinite lived intangible assets consist of trade secrets and trademarks related to the acquisition of ENP Investments.
Definite Life Intangible Assets |  |  |  |
Balance as of December 31, 2018 |  | $ | 2,358,000 |
Amortization |  |  | (176,000 | )
Balance as of December 31, 2019 |  |  | 2,182,000 |
Amortization |  |  | (176,000 | )
Balances as of December 31, 2020 |  | $ | 2,006,000 |
Schedule of Estimated Future Amortization Expense | Estimated amortization expense over the next five years is as follows:
2021 |  | $ | 176,000 |
2022 |  |  | 160,000 |
2023 |  |  | 160,000 |
2024 |  |  | 160,000 |
2025 |  |  | 160,000 |

X
- Definition Schedule of estimated future amortization expense [Table Text Block] + References No definition available. + Details
Name: | FSI_ScheduleOfEstimatedFutureAmortizationExpenseTableTextBlock
Namespace Prefix: | FSI_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
Name: | us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration