Stockholders' Equity (Details Narrative) - USD ($)		12 Months Ended
	Jul. 17, 2017	Dec. 31, 2018	Dec. 31, 2017	Nov. 03, 2010
Equity, Class of Treasury Stock [Line Items]
Proceeds from public offering			$ 16,065,000
Preferred stock, shares authorized		5,000,000	5,000,000
Preferred stock, par value		$ 0.01	$ 0.01
Preferred stock, shares issued
Preferred stock, shares outstanding
Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount				$ 3,000,000
Treasury stock, shares		310,000
Treasury stock, value		$ 1,340,000
Treasury stock acquired, average cost per share		$ 4.33
Public Offering [Member]
Equity, Class of Treasury Stock [Line Items]
Sale of stock shares issued	2,608,695
Sale of stock price per share	$ 5.75
Shares issued pursuant to exercise of stock options	391,304
Number of common stock issued	2,999,999
Gross proceeds from public offering	$ 17,300,000
Proceeds from public offering	$ 16,100,000