CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 2,867,080	$ 1,976,594
Accounts receivable, net	6,481,899	8,191,391
Inventories	5,680,959	4,584,844
Other	774,054	834,076
Total current assets	15,803,992	15,586,905
Property, plant, and equipment, net	2,305,452	2,554,822
Goodwill	18,749,888	18,749,888
Other intangible assets, net	10,664,294	11,846,009
Deferred tax assets and other	289,109	269,121
Total assets	47,812,735	49,006,745
Current liabilities:
Accounts payable	2,312,809	2,209,473
Income taxes payable	33,554	20,866
Accrued liabilities:
Compensation	4,338,519	3,281,809
Deferred revenue	517,045	307,936
Other	763,654	641,561
Total current liabilities	7,965,581	6,461,645
Convertible debt - related party, net	23,891,101	23,336,854
Interest payable	935,974	757,615
Accrued pension liability	734,541	663,071
Deferred rent	656,733	671,088
Other	154,010	157,453
Total liabilities	34,337,940	32,047,726
Shareholders' equity:
Preferred stock, $0.01 par value 5,000,000 Shares authorized; none issued or outstanding	0	0
Common stock $.01 par value; 100,000,000 shares authorized, 26,044,299 and 26,057,327 shares issued and outstanding at June 30, 2016 and December 31, 2015, respectively	260,445	260,574
Additional paid-in capital	76,653,435	76,485,650
Accumulated deficit	(62,541,882)	(58,910,707)
Accumulated other comprehensive loss	(897,203)	(876,498)
Total shareholders' equity	13,474,795	16,959,019
Total liabilities and shareholders' equity	$ 47,812,735	$ 49,006,745