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Employee Benefit and Stock Compensation Plans Employee Benefit and Stock Compensation Plans (Tables) | 12 Months Ended
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Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Restricted Stock Activity | Information regarding nonvested shares of restricted stock awards outstanding for the years ended March 31 is as follows:
| 2018 |  | 2017
| Shares |  | Weighted Average Grant Price |  | Shares |  | Weighted Average Grant Price
Outstanding, beginning of year | 3,200 |  |  | $ | 5.56 |  |  | 4,000 |  |  | $ | 5.56 |
Granted | 1,000 |  |  | 3.48 |  |  | — |  |  | — |
Vested | (800 | ) |  | 5.56 |  |  | (800 | ) |  | 5.56 |
Forfeited | — |  |  | — |  |  | — |  |  | — |
Outstanding, end of year | 3,400 |  |  | $ | 4.52 |  |  | 3,200 |  |  | $ | 5.56 |
Stock Options, Activity | Information regarding stock options as of and for the years ended March 31 is as follows:
| 2018 |  | 2017
| Options |  | Weighted Average Exercise Price |  | Options |  | Weighted Average Exercise Price
Outstanding, beginning of year | 4,133 |  |  | $ | 8.53 |  |  | 5,924 |  |  | $ | 81.65 |
Granted | 1,000 |  |  | 3.48 |  |  | — |  |  | — |
Exercised | — |  |  | — |  |  | — |  |  | — |
Expired/Forfeited | — |  |  | — |  |  | 1,791 |  |  | 249.00 |
Outstanding, end of year | 5,133 |  |  | $ | 7.54 |  |  | 4,133 |  |  | $ | 8.53 |
Exercisable, at year end | 1,733 |  |  |  |  | 933 |  |  |
Shares Authorized under Stock Option Plans, by Exercise Price Range | Information regarding stock options as of March 31, 2018 is as follows :
|  |  | Options Outstanding |  | Options Exercisable
Range of Exercise Prices |  | Shares |  | Weighted Average Remaining Life |  | Weighted Average Exercise Price |  | Shares |  | Weighted Average Exercise Price
$ | 3.00 |  | $ | 5.00 |  |  | 1,000 |  |  | 9.71 |  | $ | 3.48 |  |  | — |  |  | $ | 3.48 |
$ | 5.00 |  | $ | 5.99 |  |  | 4,000 |  |  | 7.23 |  | $ | 5.56 |  |  | 1,600 |  |  | $ | 5.56 |
90.00 |  | $ | 104.85 |  |  | 133 |  |  | 2.36 |  | 97.50 |  |  | 133 |  |  | 97.50 |
Total |  |  | 5,133 |  |  |  |  |  |  | 1,733 |  |  |
Stock Options, Valuation Assumptions | The fair value of the option grants was estimated on the date of the grant using the Black-Scholes option pricing model applying the following weighted average assumptions for the years ended March 31:
| 2018 |  | 2017
Risk-free interest rate | 2.74 | % |  | N/A
Volatility | 10 | % |  | N/A
Expected life of option grants (years) | 7.5 |  |  | N/A

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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