Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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Stock Compensation (Narrative) (Details) - USD ($)	12 Months Ended
Stock Compensation (Narrative) (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options in-the-money	0
Closing stock price	$ 0.34
Unrecognized stock option compensation, net of forfeitures	$ 400,000
Unrecognized compensation cost, weighted average period of recognition	8 months 12 days
Weighted average fair value per share for options granted	$ 0.65	$ 1.70
Dividend yield	0.00%	0.00%
Intrinsic value of options exercised	$ 2,000
Dividend declared and paid	$ 0	$ 0
2005 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee purchase price, percentage of fair market value	85.00%
Shares available for issuance/grant			300,000
2017 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance/grant	49,834
Shares authorized		2,000,000
2019 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized	5,000,000
2019 Employee Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance/grant	5,000,000
2019 Consultant and Non-Employee Director Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares available for issuance/grant	2,000,000
Share-based Payment Arrangement, Tranche One [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Share-based Payment Arrangement, Tranche One [Member] \| 2019 Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year