Summary of Significant Accounting Policies (Deferred Costs and Other Long-Term Assets) (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Deferred Charges and Other Noncurrent Assets [Line Items] | ||
| Deferred rack costs, amortization period | 3 years | |
| National distributor deposit | $ 115 | $ 839 |
| Other | 410 | 460 |
| Other long-term assets | $ 2,623 | 3,193 |
| Minimum | ||
| Deferred Charges and Other Noncurrent Assets [Line Items] | ||
| Deferred debt costs, amortization period | 4 years | |
| Maximum | ||
| Deferred Charges and Other Noncurrent Assets [Line Items] | ||
| Deferred debt costs, amortization period | 7 years | |
| Radar Online, LLC | ||
| Deferred Charges and Other Noncurrent Assets [Line Items] | ||
| Management fee receivable | $ 2,098 | $ 1,894 |