9. Fair Value Measurements (Details - Other derivatives) $ in Thousands  | 
 Jun. 30, 2017  
USD ($) 
 | 
|---|---|
| Assets: | |
| Assets | $ 1,150 | 
| Liabilities: | |
| Liabilities | (1,721) | 
| Derivative Financial Instrument [Member] | |
| Assets: | |
| Assets | 1,150 | 
| Liabilities: | |
| Liabilities | (1,721) | 
| Warrants [Member] | |
| Liabilities: | |
| Liabilities | 0 | 
| Level 1 [Member] | |
| Assets: | |
| Assets | 1,150 | 
| Liabilities: | |
| Liabilities | (1,721) | 
| Level 1 [Member] | Derivative Financial Instrument [Member] | |
| Assets: | |
| Assets | 1,150 | 
| Liabilities: | |
| Liabilities | (1,721) | 
| Level 1 [Member] | Warrants [Member] | |
| Liabilities: | |
| Liabilities | 0 | 
| Level 2 [Member] | |
| Assets: | |
| Assets | 0 | 
| Liabilities: | |
| Liabilities | 0 | 
| Level 2 [Member] | Derivative Financial Instrument [Member] | |
| Assets: | |
| Assets | 0 | 
| Liabilities: | |
| Liabilities | 0 | 
| Level 2 [Member] | Warrants [Member] | |
| Liabilities: | |
| Liabilities | 0 | 
| Level 3 [Member] | |
| Assets: | |
| Assets | 0 | 
| Liabilities: | |
| Liabilities | 0 | 
| Level 3 [Member] | Derivative Financial Instrument [Member] | |
| Assets: | |
| Assets | 0 | 
| Liabilities: | |
| Liabilities | 0 | 
| Level 3 [Member] | Warrants [Member] | |
| Liabilities: | |
| Liabilities | $ 0 | 
| X | ||||||||||
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
| X | ||||||||||
- References No definition available. 
  | 
| X | ||||||||||
- Definition Fair value of financial and nonfinancial obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
| X | ||||||||||
- References No definition available. 
  | 
| X | ||||||||||
- Details 
  | 
| X | ||||||||||
- Details 
  | 
| X | ||||||||||
- Details 
  | 
| X | ||||||||||
- Details 
  | 
| X | ||||||||||
- Details 
  |