XML 23 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
Prepaid Expenses and Other Current Assets (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Prepaid expenses and other current assets [Abstract]    
Insurance premiums $ 310 $ 407
Professional fees 75 377
Income tax credits receivable 297 326
Kits for clinical use 295 287
Other 315 [1] 314 [1]
Total prepaid expenses and other current assets $ 1,292 $ 1,711
Maximum percentage of prepaid expenses and other current assets (in hundredths) 5.00% 5.00%
[1] Other consists of various prepaid expenses and other current assets with no individual item accounting for more than 5% of the total balance at March 31, 2014 and December 31, 2013.