Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities:
Net income (loss)	$ 2,374,000	$ (1,074,000)
Adjustments to reconcile net income to net cash provided by operating activities:
Stock-based compensation expense	1,534,000	2,000,000
Depreciation	913,000	990,000
Receivable for the earn-out related to discontinued assets	0	440,000
(Gain) loss on sales of fixed assets	8,000	1,000
Non cash restructuring charge	(120,000)	51,000
Amortization Of Catalog Costs	37,000	84,000
Provision for allowance for doubtful accounts	(34,000)	69,000
Amortization of intangible assets	1,839,000	1,955,000
Amortization of deferred financing costs	46,000	29,000
Deferrred Income Taxes	259,000	(1,712,000)
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	(557,000)	948,000
Increase in inventories	(2,649,000)	(227,000)
Increase in other receivables and other assets	466,000	1,015,000
Increase in trade accounts payable	446,000	(15,000)
(Decrease) increase in accrued income taxes	(107,000)	406,000
Increase in accrued expenses	(486,000)	615,000
(Decrease) increase in deferred revenue	(38,000)	143,000
Increase (decrease) in other liabilities	89,000	3,000
Net cash provided by operating activities	3,088,000	2,811,000
Cash flows (used in) provided by investing activities:
Additions to property, plant and equipment	(1,224,000)	(1,089,000)
Additions to catalog costs	0	(57,000)
Proceeds from sales of property, plant and equipment	76,000	66,000
Proceeds from sale of discontinued operations	0	1,709,000
Acquisitions, net of cash acquired	0	0
Net cash used in investing activities	(1,148,000)	629,000
Cash flows provided by (used in) financing activities:
Repayments of debt	(3,750,000)	(1,500,000)
Net proceeds from issuance of debt	2,200,000	12,049,000
Payments of debt issuance costs	0	292,000
Net proceeds from issuance of common stock	1,415,000	2,290,000
Net cash (used in) provided by financing activities	(135,000)	12,547,000
Effect of exchange rate changes on cash	(842,000)	263,000
Increase in cash and cash equivalents	963,000	16,250,000
Cash and cash equivalents at the begining of period	25,771,000	20,681,000
Cash and cash equivalents at the end of period	26,734,000	20,681,000
Supplemental disclosures of cash flow information [Abstract]
Cash paid for interest	757,000	534,000
Cash paid for income taxes, net of refunds	$ 451,000	$ 1,244,000