Stockholders' Equity (Details Narrative) - USD ($) $ in Thousands	1 Months Ended			3 Months Ended	9 Months Ended
	Aug. 31, 2017	Apr. 30, 2015	Sep. 30, 2012	Sep. 30, 2018	Sep. 30, 2018	Oct. 31, 2008
Equity [Abstract]
Maximum value authorized under discretionary common stock repurchase program						$ 10,000
Revised maximum value authorized under discretionary common stock repurchase program	$ 40,000	$ 30,000	$ 20,000
Number of common stock shares repurchased during period				0	0
Amount available to repurchase the stock				$ 2,500	$ 2,500
Dividend payment description					We have never paid cash dividends on our capital stock and our credit facility prohibits us from paying any cash dividends on our capital stock. Therefore, we do not currently anticipate paying dividends; we intend to retain any earnings to finance the growth and development of our business.