XML 45 R35.htm IDEA: XBRL DOCUMENT
v3.20.4

14. STOCK OPTIONS (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2020
Share-based Payment Arrangement [Abstract] |
STOCK OPTIONS - Schedule of Option Summary |
|  | Number of Option Shares |  | Weighted Average Exercise Price
Balance, September 30, 2020 |  |  | 277,948 |  |  | $ | 6.34
Options granted |  |  | 291,500 |  |  |  | 8.68
Options expired |  |  | 11,008 |  |  |  | 7.93
Options cancelled |  |  | — |  |  |  | —
Options exercised |  |  | 10,383 |  |  |  | —
Balance, December 31, 2020 |  |  | 548,057 |  |  | $ | 7.66
STOCK OPTIONS - Fair Value Assumptions 2020 |
Fair value assumptions – Options: |  | December 31, 2020
Risk free interest rate |  |  | 0.18-0.22%
Expected term (years) |  |  | 3
Expected volatility |  |  | 167%-172%
Expected dividends |  |  | 0%
STOCK OPTIONS - Fair Value Assumptions 2019 |
Fair value assumptions – Options: |  | December 31, 2019
Risk free interest rate |  |  | 1.52-1.73%
Expected term (years) |  |  | 3-5
Expected volatility |  |  | 124%-144%
Expected dividends |  |  | 0%

X
- References No definition available. + Details
Name: | CLSK_FairValueOptionQuantitativeDisclosures2019TextBlock
Namespace Prefix: | CLSK_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Tabular disclosure of information about asset and liability measured at fair value under fair value option. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14210-108612 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14217-108612 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14064-108612 + Details
Name: | us-gaap_FairValueOptionQuantitativeDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration