Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net loss	$ (968)	$ (1,126)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,557	1,539
Amortization of debt issance costs	47	24
Net loss on sale of property and equipment	4	4
Change in pension and severance		4
Accounts receivable	252	(1,245)
Inventories	3,601	(1,922)
Other current assets	(108)	(214)
Non-current assets	(10)
Accounts payable	128	309
Accrued payroll and benefits	118	51
Other current liabilities	(171)	(99)
Total adjustments	5,418	(1,549)
Net cash provided by (used in) operating activities	4,450	(2,675)
Cash flows from investing activities:
Purchase of short-term investments	(3,000)
Capital expenditures	(521)	(136)
Net cash used in investing activities	(3,521)	(136)
Cash flows from financing activities:
Proceeds from sale of general partner interest		224
Proceeds from rights offering	19,869
Payment of rights offering fees	(214)
Proceeds from issuance of general partner interest	201
Proceeds from drawings on line of credit	400	4,000
Repayment of line of credit	(6,000)	(250)
Repayment of long-term debt	(7,313)	(875)
Net cash provided by financing activities	6,943	3,099
Net increase in cash	7,872	288
Cash and cash equivalents at beginning of period	1,132	404
Cash and cash equivalents at end of period	9,004	692
Supplemental disclosure of cash flow information:
Cash paid for interest for the periods ended June 30, 2017 and 2016 was $681 and $437, respectively.	681	437
No cash was paid for income taxes for the periods ended June 30, 2017 and 2016.