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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Cash flows from operating activities:    
Net cash provided by operating activities $ 1,183 $ 82
Cash flows from investing activities:    
Change in inventory used for rental (73) 63
Net cash (used in) provided by investing activities (73) 63
Cash flows from financing activities:    
Net repayments on line of credit (976) (120)
Payments on capital leases and other obligations (51) (47)
Net cash (used in) provided by financing activities (1,027) (167)
Net increase (decrease) in cash 83 (22)
Cash at the beginning of the period 8 63
Cash at the end of the period 91 41
Supplemental cash flow information:    
Interest paid 262 368
Income taxes paid (including interest and penalties) $ 0 $ 0