Stock-Based Compensation	9 Months Ended
Oct. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	Stock-Based Compensation Stock Incentive Plan The Company's two stock plans are the 2019 Employee Stock Incentive Plan (the “2019 Plan”) and the 2011 Employee Incentive Stock Plan (the “2011 Plan”). Under the 2019 Plan, the Company may grant an aggregate of 1,000,000 shares to its employees in the form of restricted stock units and non-employee directors in the form of restricted stock awards. Restricted stock units and awards granted under the 2019 Plan are expensed ratably over the vesting period of the awards. The Company determines the fair value of its restricted stock units or awards and related compensation expense as the difference between the market value of the units or awards on the date of grant less the exercise price of the units or awards granted. During the nine-month periods ended October 31, 2019, the Company granted 228,000 units, vested 0 shares according to their terms and forfeited 0 shares under the 2019 Plan. As of October 31, 2019, there were approximately 772,000 shares available for future issuance under the 2019 Plan. Under the 2011 Plan, the Company may grant an aggregate of 2,000,000 shares to its employees in the form of restricted stock units and non-employee directors in the form of restricted stock awards. Restricted stock units and awards granted under the 2011 Plan are expensed ratably over the vesting period of the awards. The Company determines the fair value of its restricted stock units or awards and related compensation expense as the difference between the market value of the units or awards on the date of grant less the exercise price of the units or awards granted. During the nine-month periods ended October 31, 2019, the Company granted 59,385 restricted awards to non-employee directors and 260,000 units to its employees; vested 55,555 stock awards and 168,000 units according to their terms and forfeited 24,000 stock units under the 2011 Plan. As of October 31, 2019, there were approximately 892 shares available for future issuance under the 2011 Plan. During the three months ended October 31, 2019, stock-based compensation expense related to restricted stock awards recognized in cost of goods sold and selling, general and administrative expenses was $74,000 and $189,000, respectively. During the three months ended October 31, 2018, stock-based compensation expense related to restricted stock awards recognized in cost of goods sold and selling, general and administrative expenses was $60,000 and $175,000, respectively. During the nine months ended October 31, 2019, stock-based compensation expense related to restricted stock awards recognized in cost of goods sold and selling, general and administrative expenses was $190,000 and $496,000, respectively. During the nine months ended October 31, 2018, stock-based compensation expense related to restricted stock awards recognized in cost of goods sold and selling, general and administrative expenses was $178,000 and $495,000, respectively. As of October 31, 2019, there was $3,073,000 of unrecognized compensation expense related to unvested restricted stock units, which is expected to be recognized over a weighted average period of approximately 3 years.

Stock-Based Compensation

Stock Incentive Plan

The Company's two stock plans are the 2019 Employee Stock Incentive Plan (the “2019 Plan”) and the 2011 Employee Incentive Stock Plan (the “2011 Plan”).

Under the 2019 Plan, the Company may grant an aggregate of 1,000,000 shares to its employees in the form of restricted stock units and non-employee directors in the form of restricted stock awards. Restricted stock units and awards granted under the 2019 Plan are expensed ratably over the vesting period of the awards. The Company determines the fair value of its restricted stock units or awards and related compensation expense as the difference between the market value of the units or awards on the date of grant less the exercise price of the units or awards granted. During the nine-month periods ended October 31, 2019, the Company granted 228,000 units, vested 0 shares according to their terms and forfeited 0 shares under the 2019 Plan. As of October 31, 2019, there were approximately 772,000 shares available for future issuance under the 2019 Plan.

Under the 2011 Plan, the Company may grant an aggregate of 2,000,000 shares to its employees in the form of restricted stock units and non-employee directors in the form of restricted stock awards. Restricted stock units and awards granted under the 2011 Plan are expensed ratably over the vesting period of the awards. The Company determines the fair value of its restricted stock units or awards and related compensation expense as the difference between the market value of the units or awards on the date of grant less the exercise price of the units or awards granted. During the nine-month periods ended October 31, 2019, the Company granted 59,385 restricted awards to non-employee directors and 260,000 units to its employees; vested 55,555 stock awards and 168,000 units according to their terms and forfeited 24,000 stock units under the 2011 Plan. As of October 31, 2019, there were approximately 892 shares available for future issuance under the 2011 Plan.

During the three months ended October 31, 2019, stock-based compensation expense related to restricted stock awards recognized in cost of goods sold and selling, general and administrative expenses was $74,000 and $189,000, respectively. During the three months ended October 31, 2018, stock-based compensation expense related to restricted stock awards recognized in cost of goods sold and selling, general and administrative expenses was $60,000 and $175,000, respectively.

During the nine months ended October 31, 2019, stock-based compensation expense related to restricted stock awards recognized in cost of goods sold and selling, general and administrative expenses was $190,000 and $496,000, respectively. During the nine months ended October 31, 2018, stock-based compensation expense related to restricted stock awards recognized in cost of goods sold and selling, general and administrative expenses was $178,000 and $495,000, respectively.

As of October 31, 2019, there was $3,073,000 of unrecognized compensation expense related to unvested restricted stock units, which is expected to be recognized over a weighted average period of approximately 3 years.