Transactions Affecting Stockholders' Equity (Details Narrative) - USD ($)										1 Months Ended	9 Months Ended	12 Months Ended
	Dec. 24, 2018	May 07, 2018	Apr. 12, 2018	Nov. 20, 2017	Nov. 14, 2017	Aug. 25, 2017	Aug. 21, 2017	Jun. 12, 2017	Jul. 30, 2015	Nov. 30, 2017	Sep. 30, 2018	Dec. 31, 2018	Dec. 31, 2017	Jun. 05, 2018	Nov. 09, 2017	Aug. 15, 2017	Dec. 31, 2016	May 05, 2010
Common stock, shares authorized												50,000,000	50,000,000
Preferred stock, shares authorized												1,000,000	1,000,000
Preferred stock, par value												$ 0.0005	$ 0.0005
Preferred stock, shares issued
Equity method investment ownership percentage												50.00%
Cash dividend paid	$ 0.25	$ 1.00
Dividend payable	$ 2,900,000	$ 11,700,000										$ 2,900,000
Dividends payable date	Jan. 24, 2019	Jun. 05, 2018
Dividends record date	Jan. 10, 2019	May 21, 2018
Stock option granted												2,490,000	625,000
Stock option, expected life												4 years 6 months	4 years 7 months 6 days
Stock option, exercised												490,000	315,000
Proceeds from stock options exercised												$ 337,000	$ 1,510,000
Options outstanding - shares												2,980,000	980,000				669,000
Weighted average risk rate												2.00%	2.00%
Stock option, dividend yield												0.00%	0.00%
Stock option, expected volatility												40.00%	42.00%
Fair value of stock option grant												$ 1,800,000	$ 476,000
Share based compensation expenses												$ 590,000	$ 78,000
Common stock share price												$ 0.0005
Common stock, shares issued												28,201,541	27,696,593
BML Investment Partners, L.P [Member]
Equity method investment ownership percentage						13.60%
Investments owned shares						2,322,627
Aggregate sold shares of our common stock						1,695,305
Stock Purchase Agreement [Member]
Equity method investment ownership percentage								6.20%
Common stock, shares purchased								1,061,980
Options outstanding - shares								17,200,000
August 2017 Tender Offer [Member]
Stock issued during period shares						4,323,335						5,910,327
Common stock share price						$ 2.30
Shares proposed to purchase in tender offer percentage							24.70%
Common stock, shares issued							16,200,000
Common stock shares outstanding							16,200,000
Trading price per share																$ 2.13
Purchase price per share						$ 2.30
Offer expire date						Sep. 25, 2017
Value of common stock purchased shares						$ 9,900,000
November 2017 Tender Offer [Member]
Stock issued during period shares				1,700,000						1,948,569		2,072,280
Common stock share price				$ 2.30
Shares proposed to purchase in tender offer percentage					13.70%
Common stock, shares issued					12,400,000
Common stock shares outstanding					12,400,000
Trading price per share															$ 2.13
Purchase price per share										$ 2.30
Value of common stock purchased shares										$ 4,500,000
Leventhal Holders [Member] | Stock Purchase Agreement [Member]
Consideration paid								$ 1,858,465,000
Share price								$ 1.75
Ted Karkus [Member]
Aggregate sold shares of our common stock						364,954
Robert V. Cuddihy, Jr. [Member]
Aggregate sold shares of our common stock						358,621
Director [Member]
Aggregate sold shares of our common stock						4,379
Mr. Karkus [Member]
Stock options exercise price per share				$ 1.00
Proceeds from stock options exercised												$ 600,000
Aggregate sold shares of our common stock												424,789
Net proceeds												$ 600,000,000
Maximum [Member]
Stock issued during period shares									3,200,000
Maximum [Member] | August 2017 Tender Offer [Member]
Stock issued during period shares						4,000,000
Stockholder Rights Plan [Member]
Common stock right's exercise price												$ 45
Acquisition percentage												15.00%
Equity method investment ownership percentage required for rights exercisable under right agreement												15.00%
Percentage of discount on exercise of right												50.00%
Rights agreement expiration date												Jun. 18, 2024
Stockholder Rights Plan [Member] | Chairman and Chief Executive Officer [Member] | Maximum [Member]
Acquisition percentage												20.00%
2015 Equity Line of Credit [Member]
Line of credit expired, description									The 2015 Equity Line of Credit expired in July 2018.
2010 Directors' Equity Compensation Plan [Member]
Stock issued during period shares												382,860
Plan provides total number of shares of common stock issued																		675,000
Stock option granted												14,948	0
2010 Equity Compensation Plan [Member]
Plan provides total number of shares of common stock issued																		3,900,000
Stock option granted												30,000
Direct fees												$ 45,000
Stock options exercise price per share												$ 2.35	$ 2.00
Vesting period												3 years	4 years
Stock option, expected life													4 years 6 months
Stock option, exercised												250,000
Options outstanding - shares												679,500
2010 Equity Compensation Plan [Member] | Common Stock Shares [Member]
Stock option, exercised												490,000	1,332,000
Proceeds from stock options exercised												$ 337,500	$ 1,500,000
2010 Equity Compensation Plan [Member] | Employees [Member]
Stock option granted												160,000	600,000
Stock options exercise price per share												$ 3.18
Vesting period												4 years
2018 Stock Incentive Plan [Member]
Cash dividend paid														$ 1.00
Stock option, expected life			4 years 6 months
Available for grant, shares			2,300,000
2018 Stock Incentive Plan [Member] | CEO [Member]
Stock option granted											2,300,000
Stock option, exercised
2018 Stock Incentive Plan [Member] | Maximum [Member]
Stock options exercise price per share												$ 3.00
2018 Stock Incentive Plan [Member] | Maximum [Member] | January 24, 2019 [Member]
Stock options exercise price per share												$ 1.75
2018 Stock Incentive Plan [Member] | Maximum [Member] | Mr. Karkus [Member]
Available for grant, shares												2,300,000
2018 Stock Incentive Plan [Member] | Minimum [Member]
Stock options exercise price per share												$ 2.00
2018 Stock Incentive Plan [Member] | Minimum [Member] | January 24, 2019 [Member]
Stock options exercise price per share												$ 2.00