CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net loss	$ (24,122,000)	$ (3,386,000)
(Income) from discontinued operations	0	(224,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation, amortization, and accretion	4,730,000	4,033,000
Impairment loss	1,585,000	0
Provision for bad debts	805,000	303,000
Provision for obsolete inventory	(176,000)	1,543,000
Equity based compensation	1,039,000	651,000
Change in fair value of contingent consideration	(450,000)	(1,000,000)
Deferred income tax	13,809,000	4,159,000
Changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	3,053,000	325,000
Inventories	(815,000)	2,948,000
Income tax receivable/(payable)	0	261,000
Other current assets	958,000	(182,000)
Other assets	(197,000)	(522,000)
Accounts payable	(1,688,000)	(2,355,000)
Accrued expenses	(3,274,000)	49,000
Customer deposits and deferred service revenue	1,349,000	(6,905,000)
Other long-term liabilities	(455,000)	154,000
Net cash used in operating activities-continuing operations	(3,849,000)	(148,000)
Net cash provided by operating activities-discontinued operations	0	462,000
Net cash (used in) provided by operating activities	(3,849,000)	314,000
Cash flows from investing activities:
Capital expenditures	(3,948,000)	(5,071,000)
Capitalization of software costs	(3,892,000)	(3,786,000)
Proceeds from sale of real estate	1,126,000	0
Net cash used in investing activities	(6,714,000)	(8,857,000)
Cash flows from financing activities:
Payments of long-term debt	(380,000)	(187,000)
Payments of other borrowings	(50,470,000)	(22,200,000)
Proceeds from other borrowings	57,339,000	23,150,000
Proceeds from note receivable	0	3,794,000
Proceeds from exercise of stock awards	860,000	1,500,000
Net cash provided by financing activities	7,349,000	6,057,000
Effect of exchange rate changes on cash and cash equivalents	99,000	31,000
Net decrease in cash and cash equivalents	(3,115,000)	(2,455,000)
Cash and cash equivalents at beginning of period	6,600,000	9,055,000
Cash and cash equivalents at end of period	3,485,000	6,600,000
Cash paid during the period for:
Interest	308,000	152,000
Income taxes, net of refunds	285,000	20,000
Supplemental disclosures of non-cash information:
Adoption of accounting standard on deferred taxes	$ 0	$ 578,000