Consolidated Statements of Changes In Stockholders' Equity (Parenthetical) - $ / shares  | 
12 Months Ended | |
|---|---|---|
Dec. 31, 2020  | 
Dec. 31, 2019  | 
|
| Retained Earnings (Accumulated Deficit) [Member] | ||
| Shareholder dividends per share | $ 0.04 | $ 0.08 | 
| X | ||||||||||
- Definition Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
  | 
| X | ||||||||||
- Details 
  |