Condensed Statements of Stockholders' Equity (Unaudited) Statement - 6 months ended Sep. 30, 2018 - USD ($) $ in Thousands |
Total |
Common Stock [Member]
Common Class A [Member]
|
Common Stock [Member]
Common Class B [Member]
|
Additional Paid-in Capital [Member] |
Treasury Stock [Member] |
Retained Earnings [Member] |
|---|---|---|---|---|---|---|
| Stockholders' Equity Attributable to Parent at Mar. 31, 2018 | $ 52,295 | $ 121 | $ 35 | $ 417,691 | $ (35,907) | $ (329,645) |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||
| Cumulative effect adjustment ASC 606 adoption | Accounting Standards Update 2014-09 [Member] | 329 | 329 | ||||
| Net income (loss) | (1,780) | (1,780) | ||||
| Stock Issued During Period, Value, Share-based Compensation, Gross | 0 | 3 | (3) | |||
| Treasury Stock, Value, Acquired, Cost Method | (605) | (2) | (603) | |||
| Stock-based compensation | 586 | 586 | ||||
| Stockholders' Equity Attributable to Parent at Sep. 30, 2018 | $ 50,825 | $ 122 | $ 35 | $ 418,274 | $ (36,510) | $ (331,096) |
| X | ||||||||||
- Definition Amount of the cumulative effect on retained earnings net of related income tax effect. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. No definition available.
|
| X | ||||||||||
- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|