Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (1,006)	$ (1,372)
Reconciliation of Net Loss to Net Cash Used in Operating Activities:
Amortization of debt discount and deferred financing costs	36	18
Depreciation	110	59
Loss on disposal of assets for lease	55	25
Allowance for doubtful accounts	(6)	51
Stock-based compensation expense	69	33
Changes in Operating Assets and Liabilities:
Trade accounts receivable	685	(52)
Prepaid expenses and other current assets	(83)	(9)
Accounts payable	(449)
Accrued expenses	(485)	(137)
Deferred revenue	(19)	(119)
Net Cash Used in Operating Activities	(1,093)	(1,503)
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property and equipment	(6)	(19)
Purchase of assets for lease	(65)	(71)
Net Cash Used in Investing Activities	(71)	(90)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of common stock		498
Proceeds from loans payable	2,200
Net Cash Provided by Financing Activities	2,200	498
INCREASE (DECREASE) IN CASH	1,036	(1,095)
CASH, BEGINNING OF PERIOD	405	4,156
CASH, END OF PERIOD	1,441	3,061
Cash paid for interest		$ 8
Supplemental Disclosure of noncash financing activity:
Fair value of warrants issued to lenders	$ 349