CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Operating activities:
Net loss	$ (3,006)	$ (2,081)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and amortization	315	322
(Loss) on disposal of fixed asset	15
Amortization of debt discount	30
Share-based compensation	242	204
Changes in assets and liabilities related to operations:
Trade accounts receivable	(141)	286
Inventories	(312)	(857)
Prepaid expenses and other assets	6	(104)
Accounts payable	170	518
Deferred Revenue	567
Accrued expenses	(662)	370
Net cash used in operating activities	(2,776)	(1,342)
Investing activities:
Acquisition of equipment and leasehold improvements	(740)	(160)
Net cash used in investing activities	(740)	(160)
Financing activities:
Principal payment on capital leases	(218)	(169)
Proceeds from line of credit, bank	1,500	1,200
Payments to the line of credit, bank	(1,000)	(1,500)
Proceeds from related party convertible loan	2,000
Proceeds from Beachcorp term loan		500
Proceeds from line of credit, Beachcorp LLC	9,486	970
Payments to line of credit, Beachcorp LLC	(10,094)	(138)
Proceeds from sale of common stock	1,677
Proceeds from exercise of stock options	14	29
Net cash provided by financing activities	3,365	892
(Decrease) Increase in cash and cash equivalents	(151)	(610)
Cash and cash equivalents at beginning of period	1,345	1,955
Cash and cash equivalents at end of period	1,194	1,345
Supplemental cash flow information:
Interest paid	173	51
Supplemental non-cash investing and financing activities:
Accounts payable incurred for the purchase of equipment and leasehold improvements	22	52
Capital lease obligations incurred in the purchase of equipment		$ 334
Stock conversion rights related to convertible loan	$ 1,200