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Income Taxes | 12 Months Ended
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Dec. 31, 2019
Income Taxes [Abstract] |
Income Taxes | Note 11. Income Taxes The components of the income tax provision for the years ended December 31, 2019 and 2018 are as follows:
|  | 2019 |  |  | 2018 |
Current: |  |  |  |  |  |  |  |
Federal |  | $ | 0 |  |  | $ | 0 |
State |  |  | 1 |  |  |  | 1 |
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | (2 | ) |  |  | (9 | )
State |  |  | 0 |  |  |  | 0 |
Total Federal and State Income Taxes |  | $ | (1 | ) |  | $ | (8 | )
The provision for income taxes for the years ended December 31, 2019 and 2018 differs from the amount obtained by applying the U.S. federal income tax rate to pretax income due to the following:
|  | 2019 |  |  | 2018 |
Computed “Expected” Federal Tax Expense (Benefit From) |  | $ | 39 |  |  | $ | (4 | )
Increase (Decrease) in Taxes Resulting From: |  |  |  |  |  |  |  |
State Income Taxes, net of Federal Benefit |  |  | 1 |  |  |  | 1 |
R&D Credits |  |  | (72 | ) |  |  | (41 | )
Permanent Differences |  |  | 5 |  |  |  | 7 |
Other |  |  | 26 |  |  |  | 29 |
Total Federal and State Income Taxes |  | $ | (1 | ) |  | $ | (8 | )
The components of the net deferred tax asset consist of:
|  | 2019 |  |  | 2018 |
Deferred Tax Assets: |  |  |  |  |  |  |  |
Vacation accrual |  | $ | 24 |  |  | $ | 24 |
Allowance for doubtful accounts |  |  | 2 |  |  |  | 2 |
Stock compensation |  |  | 93 |  |  |  | 91 |
Bonus |  |  | 2 |  |  |  | 0 |
Depreciation and amortization |  |  | 50 |  |  |  | 29 |
Inventory Obsolescence |  |  | 4 |  |  |  | 2 |
R&D credit carryforward |  |  | 171 |  |  |  | 154 |
Valuation allowance |  |  | (121 | ) |  |  | (81 | )
Total Deferred Tax Assets |  |  | 225 |  |  |  | 221 |
Deferred Tax Liabilities: |  |  |  |  |  |  |  |
Prepaid expenses |  |  | 22 |  |  |  | 20 |
Net unrealized gain on investments |  |  | 0 |  |  |  | 9 |
Total Deferred Tax Liabilities |  |  | 22 |  |  |  | 29 |
Net Deferred Tax Asset |  | $ | 203 |  |  | $ | 192 |
The Company is materially subject to the following taxing jurisdictions: U.S. and Minnesota. The tax years 2016 through 2018 remain open to examination by the Internal Revenue Service and state jurisdictions. We have no accrued interest or penalties related to uncertain tax positions as of January 1, 2019 or December 31, 2019 and uncertain tax positions are not significant.

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- Definition The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -URI http://asc.fasb.org/topic&trid=2144680 + Details
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