Note and Line of Credit (Detail Narratives) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Feb. 28, 2017	Dec. 31, 2016	Jul. 31, 2014
Letter of Credit [Member]
Letter of credit and related promissory note			$ 30
Basis spread variable interest rate		1.00%
Variable interest rate basis		Prime rate
Line of Credit [Member]
Basis spread variable interest rate		1.00%
Variable interest rate basis		Prime rate
Line of credit facility, maximum borrowing capacity		$ 300
Borrowing capacity as percentage of accounts receivable		75.00%
Minimum amount of cash required on advances		$ 1,000
Line of credit facility, expiration date		Mar. 04, 2017
Line of Credit [Member] | Subsequent Event [Member]
Line of credit facility, expiration date	Mar. 31, 2018