Organization and Summary of Significant Accounting Policies (Details) $ in Thousands |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2017
USD ($)
segment
item
|
Dec. 31, 2016
USD ($)
|
|
| Ownership percentage | 100.00% | |
| Inventory | ||
| Finished Goods | $ 495 | $ 683 |
| Raw Materials | 151 | 147 |
| Total | $ 646 | $ 830 |
| Concentration of Credit Risk and Fair Value of Financial Instruments | ||
| Number of financial institutions in which the company maintains its cash and cash equivalents in the US | item | 3 | |
| Cash and cash equivalents held in foreign countries that is not insured | $ 800 | |
| Business Segments | ||
| Number of operating segments | segment | 1 | |
| Minimum | ||
| Revenue Recognition | ||
| Maintenance Support Contract Term | 1 year | |
| Maximum | ||
| Revenue Recognition | ||
| Maintenance Support Contract Term | 3 years |