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Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (Parentheticals) - Common Stock [Member] | Feb. 25, 2018 $ / shares
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Minimum [Member] |
Issuance of common stock, per share (in dollars per share) | $ 5.63
Maximum [Member] |
Issuance of common stock, per share (in dollars per share) | $ 6.66

X
- Definition Price of a single share of a number of saleable stocks of a company. + References No definition available. + Details
Name: | us-gaap_SharePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |