Revolving Facility (Details) - USD ($) $ in Thousands |
3 Months Ended | ||||
|---|---|---|---|---|---|
Oct. 13, 2016 |
Sep. 30, 2016 |
Nov. 02, 2015 |
Mar. 31, 2017 |
Dec. 31, 2016 |
|
| Line of Credit Facility [Line Items] | |||||
| Amount outstanding under the credit facility | $ 1,300 | ||||
| Unused availability | $ 4,300 | $ 1,000 | |||
| Revolving Facility | |||||
| Line of Credit Facility [Line Items] | |||||
| Maximum line of credit capacity | $ 7,500 | ||||
| Interest rate above the otherwise applicable rate upon default of the credit facility | 5.00% | ||||
| Credit facility commitment fee | $ 38 | $ 38 | |||
| Net borrowings on line of credit | 0 | ||||
| Amount outstanding under the credit facility | $ 0 | ||||
| Minimum | Revolving Facility | Prime Rate | |||||
| Line of Credit Facility [Line Items] | |||||
| Debt Instrument, Basis Spread on Variable Rate | 1.75% | 1.25% | |||
| Maximum | Revolving Facility | Prime Rate | |||||
| Line of Credit Facility [Line Items] | |||||
| Debt Instrument, Basis Spread on Variable Rate | 2.75% | 2.25% |