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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Cash flows from operating activities:    
Net cash provided by operating activities $ 23 $ 666
Cash flows from investing activities:    
Purchases used for rental (57) 10
Net cash provided by investing activities (57) 10
Cash flows from financing activities:    
Payments on line of credit (600) (640)
Proceeds from unsecured subordinated promissory notes 1,035
Payment of commission and placement agent fees and related expenses (155)
Payments on capital leases obligations (31) (20)
Net cash (used in) provided by financing activities 249 (660)
Net increase (decrease) in cash 215 16
Cash at the beginning of the period 247 8
Cash at the end of the period 462 24
Supplemental cash flow information:    
Interest paid $ 121 $ 94