Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Activities
Net income (loss)	$ (17,416)	$ 3,933	$ 18,343
Adjustments to net income (loss):
Provision for bad debt	3,421	2,259	910
Deferred taxes	1,421	3,672	(2,698)
Stock based compensation	7,166	5,366	5,380
(Excess) deficit tax benefit from shared-based compensation	0	(210)	176
Depreciation	2,473	3,062	3,174
Amortization of acquisition-related intangibles	10,406	10,182	0
Amortization of deferred finance costs	645	673	0
Goodwill impairment	28,000	0	0
Loss on extinguishment of debt	1,340	0	0
Changes in operating assets and liabilities (net of acquired assets and liabilities):
Accounts receivable	(7,847)	(3,927)	(166)
Financing receivables	(17,308)	1,514	6,500
Inventories	280	14	(102)
Prepaid expenses and other	(30)	1,787	(419)
Accounts payable	779	(5,588)	600
Deferred revenue	2,867	(13,662)	(2,070)
Other liabilities	6,069	(7,250)	730
Prepaid income taxes/income taxes payable	1,377	280	518
Net cash provided by operating activities	23,643	2,105	30,876
Investing Activities
Purchases of property and equipment	(726)	(39)	(448)
Purchase of business, net of cash received	0	(162,611)	0
Purchases of investments	0	0	(150)
Sale of investments	0	10,861	0
Net cash used in investing activities	(726)	(151,789)	(598)
Financing Activities
Dividends paid	(11,636)	(25,092)	(28,943)
Proceeds from long-term debt	777	156,397	0
Payments of long-term debt principal	(12,838)	(5,196)	0
Payments on capital lease	(296)	0	0
Payments of contingent consideration	(625)	(500)	0
Proceeds from exercise of stock options	1	1,134	0
Excess (deficit) tax benefit from stock-based compensation	0	210	(176)
Net cash provided by (used in) financing activities	(24,617)	126,953	(29,119)
Increase (decrease) in cash and cash equivalents	(1,700)	(22,731)	1,159
Cash and cash equivalents at beginning of year	2,220	24,951	23,792
Cash and cash equivalents at end of year	520	2,220	24,951
Supplemental disclosure of cash flow information
Cash paid for interest	6,953	5,876	0
Cash paid for income taxes, net of refund	1,134	110	9,231
Supplemental disclosure of non-cash flow information:
Fair value of common stock and options issued as consideration for acquisition of HHI	0	97,017	0
Reclassification of inventory to property and equipment	0	0	39
Write-off of fully depreciated assets	6,049	2,769	0
Capital lease obligation	$ 0	$ 933	$ 0