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Stock-Based Compensation (Stock Options) (Details) - Stock Options [Member] - $ / shares		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option Shares, Outstanding at beginning of period		1,235,000
Option Shares, Granted
Option Shares, Exercised		(61,148)
Option Shares, Cancelled or forfeited
Options Shares, Expired
Option shares, Outstanding at end of period		1,173,852	1,235,000
Weighted-Average Exercise Price, Beginning Balance		$ 5.02
Weighted-Average Exercise Price, Granted
Weighted-Average Exercise Price, Exercised		4.38
Weighted-Average Exercise Price, Cancelled or forfeited
Weighted-Average Exercise Price, Expired
Weighted-Average Exercise Price, Ending Balance		$ 5.05	$ 5.02
Weighted-Average Remaining Contractual Term	[1]	4 years 11 months 27 days	5 years 11 months 9 days
Options Exercisable		1,173,852	1,235,000
Weighted-Average Exercise Price		$ 5.05	$ 5.02
[1] In years

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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