Summary of Significant Accounting Policies | Description of Business . Basis of Presentation . Recently Adopted Accounting Pronouncements . “Leases Inventories . June 30, December 31, 2019 2018 Raw materials $ 64,000 $ 80,000 Work-in-process 35,000 12,000 Finished goods 262,000 261,000 $ 361,000 $ 353,000 Property and Equipment . June 30, December 31, 2019 2018 Property and Equipment: Production tooling, machinery and equipment $ 3,728,000 $ 3,694,000 Office furniture and fixtures 385,000 385,000 Computer equipment and software 4,187,000 2,743,000 Leasehold improvements 577,000 577,000 Construction in-progress — 1,179,000 8,877,000 8,578,000 Accumulated depreciation and amortization (5,751,000 ) (5,310,000 ) Net Property and Equipment $ 3,126,000 $ 3,268,000 Depreciation expense was approximately $259,000 and $440,000 in the three and six months ended June 30, 2019, respectively, and was $181,000 and $367,000 in the three and six months ended June 30, 2018, respectively. Stock-Based Compensation During the six months ended June 30, 2019 and 2018, no stock awards were granted by the Company, except for those awarded to non-employee members of the Board of Directors. During the six months ended June 30, 2018, the Company issued 178,000 restricted stock units under the 2013 Omnibus Stock and Incentive Plan (the “2013 Plan”). The shares underlying the awards were assigned a value of $1.77 per share, which was the closing price of our common stock on the date of grant and are scheduled to vest over three years. The Company estimated the fair value of stock-based awards granted during the six months ended June 30, 2019 under the Company’s employee stock purchase plan using the following weighted average assumptions: expected life of 1.0 year, expected volatility of 57%, dividend yield of 0% and risk-free interest rate of 2.60%. During June 2019, non-employee members of the Board of Directors received restricted stock grants totaling 70,755 shares pursuant to the 2018 Equity Incentive Plan (the “2018 Plan”). The shares underlying the awards were assigned a value of $1.06 per share, which was the closing price of our common stock on the date of grants, for a total value of $75,000, and are scheduled to vest the day immediately preceding the date of the 2020 annual shareholder meeting. During July 2018, non-employee members of the Board of Directors received restricted stock grants totaling 46,152 shares pursuant to the 2018 Plan. The shares underlying the awards were assigned a value of $1.95 per share, which was the closing price of our common stock on the date of grants, for a total value of $90,000, which vested the day immediately preceding the date of our 2019 annual shareholder meeting. During June 2019, the Company issued 8,370 shares of common stock in settlement of $9,000 of total deferred fees due to a non-employee director’s departure from the board. Our non-employee directors are eligible to participate in our director deferred compensation plan, which allows a director to make voluntary deferrals of up to 100% of their annual cash retainers relating to board or committee chair service. Total stock-based compensation expense recorded for the three and six months ended June 30, 2019 was $139,000 and $277,000, respectively, and for the three and six months ended June 30, 2018 was $82,000 and $149,000, respectively. Net Income (Loss) per Share . Due to the net loss incurred during the three and six months ended June 30, 2019 all outstanding stock options were anti-dilutive for that period. Options to purchase approximately 245,000 shares of common stock with a weighted average exercise price of $2.71 were outstanding at June 30, 2018 and were not included in the computation of common stock equivalents for the three and six months ended June 30, 2018 because their exercise prices were higher than the average fair market value of the common shares during the reporting period. Weighted average common shares outstanding for the three and six months ended June 30, 2019 and 2018 were as follows: Three Months Ended Six Months Ended June 30 June 30 2019 2018 2019 2018 Denominator for basic net income (loss) per share - weighted average shares 11,888,000 11,804,000 11,872,000 11,812,000 Effect of dilutive securities: Stock options and restricted stock units — 272,000 — 228,000 Denominator for diluted net income (loss) per share - weighted average shares 11,888,000 12,076,000 11,872,000 12,040,000 |