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Concentration
12 Months Ended
Dec. 31, 2013
Notes to Financial Statements  
Concentration

During the years ended December 31, 2013 and 2012, the Company’s sales were concentrated with a few large customers. During the year ended December 31, 2013, sales to two customers comprised 76% and 19% of total revenues and two customers accounted for 62% and 38% of gross accounts receivable, respectively. During the year ended December 31, 2012, sales to two customers comprised 63% and 20% of total revenues and two customers accounted for 61% and 39% of gross accounts receivable, respectively.  The Company performs ongoing credit evaluations of certain customers’ financial condition and generally requires no collateral from its customers. The Company’s inventory purchases are concentrated with certain key vendors that produce components according to our engineering specifications. During the year ended December 31, 2013, 47% of purchases were concentrated with one vendor and during the year ended December 31, 2012, 39% of purchases were concentrated with one vendor.