CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities
Net loss	$ (968)	$ (2,509)
Adjustment to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	497	672
Amortization of gain on sale/leaseback transaction	(11)	(66)
Amortization of deferred financing fees and debt discount	81	63
(Gain) loss on foreign currency remeasurement	(122)	91
Bad debt expense	222	53
Changes in operating assets and liabilities:
Accounts receivable, net	205	1,163
Inventories	26	(189)
Prepaids and other assets	770	(640)
Accounts payable	93	352
Accrued liabilities	161	(631)
Customer deposits	(567)	2,741
Deferred pension liability and other	(63)	(216)
Net cash provided by operating activities	324	884
Cash flows from investing activities
Purchases of property, plant and equipment	(133)	(166)
Net cash used in investing activities	(133)	(166)
Cash flows from financing activities
Proceeds from long-term debt	1,000	600
Proceeds from forgivable loan		650
Payments of long-term debt	(1,885)	(1,009)
Payments of dividends on preferred stock		(99)
Payments for deferred financing fees		(30)
Net cash (used in) provided by financing activities	(885)	112
Effect of exchange rate changes	(1)	6
Net (decrease) increase in cash, cash equivalents and restricted cash	(695)	836
Cash, cash equivalents and restricted cash at beginning of year	1,909	1,218
Cash, cash equivalents and restricted cash at end of period	1,214	2,054
Supplemental disclosure of cash flow information:
Interest paid	293	247
Income taxes paid	26	23
Supplemental non-cash financing activities:
Warrants issued to SMI and SMII	287
Current assets
Cash and cash equivalents	264	792
Long-term assets
Restricted cash	950	1,262
Cash, cash equivalents and restricted cash at end of period	$ 1,214	$ 2,054