Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net loss	$ (8,677)	$ (6,524)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	903	633
Amortization expense, deferred financing costs	351	126
Share-based compensation expense	57	129
Provision for (recovery of) bad debts	71	(67)
(Gain) loss on sale of equipment	(21)	25
Unrealized gain on lumber derivatives	(6)	0
Deferred income taxes	9	6
Change in fair value of contingent earn-out receivable	(361)	4
Goodwill impairment charge	3,020	1,733
Change in fair value of contingent earn-out payable	(76)	23
Imputed interest on seller deferred payment obligations	130	23
Paid-in-kind (PIK) interest	1,331	534
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	(1,308)	26
Costs and estimated profit in excess of billings	480	(480)
Inventories	119	734
Other current assets	28	(62)
Trade accounts payable	1,079	230
Billings in excess of costs and estimated profit	331	(143)
Accrued compensation	10	262
Other accrued liabilities	496	(40)
Net cash used in operating activities	(2,034)	(2,828)
Cash flows from investing activities:
Proceeds from earn-out consideration	488	312
Purchase of property and equipment	(443)	(72)
Proceeds from sale of equipment	79	109
Purchase of business, net of cash acquired	0	(2,960)
Net cash generated by (used in) investing activities	124	(2,611)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	514	5,000
Proceeds from revolving line of credit	43,800	27,844
Principal payments on revolving line of credit	(41,564)	(24,090)
Principal payments on long-term debt	(1,668)	(2,110)
Payment of deferred financing costs	(39)	(432)
Net cash generated by financing activities	1,043	6,212
Net increase (decrease) in cash, cash equivalents and restricted cash	(867)	773
Cash, cash equivalents and restricted cash at beginning of period	1,397	624
Cash, cash equivalents and restricted cash at end of period	530	1,397
Supplemental cash flow information
Cash paid for interest expense	1,175	857
Supplemental disclosure of non-cash investing and financing activities
Deferred financing costs recorded in accounts payable	55	55
Capital expenditures financed through debt	53	0
Decrease in fair value of contingent earn-out payable for restructuring of contingent earn-out payable	(891)	0
Increase in long-term debt for restructuring of contingent earn-out payable	891	0
Long-term debt exchanged for preferred stock	(12,865)	0
Increase in equity for preferred stock exchange	13,255	0
Decrease in other accrued liabilities (accrued interest) for preferred stock exchange	(390)	0
Acquisition of equipment - financed by note payable	0	26
Promissory note payable to EBGL Sellers issued as partial consideration for purchase of business	0	941
Contingent earn-out payable to EBGL Sellers as partial consideration for purchase of business	0	943
Accrued purchase price adjustment pair to EBGL Sellers in January 2017	0	218
Issuance of restricted stock to EBGL Sellers as partial consideration for purchase of business	0	149
Assets acquired and liabilities assumed in connection with purchase of business:
Costs and estimated profit in excess of billings	0	93
Inventories	0	898
Other current assets	0	3
Property, plant and equipment	0	289
Goodwill	0	3,020
Intangible assets	0	1,081
Billings in excess of costs and estimated profit	0	(31)
Accrued compensation	0	(40)
Accrued liabilities	0	(102)
Purchase price	$ 0	$ 5,211